pm#physical_entity__object spatial entity made of matter
closed_exclusion: dl#feature
supertype: dl#physical_endurant (dl) cyc#tangible (cyc)
similar_to: lis#physical_object
subtype: dl#physical_object__POB
subtype: dl#agentive_physical_object__APO something or someone that can act on its own and produce changes in the world
subtype: pm#entity_that_can_be_or_was_alive e.g., an animal, a cell
subtype: sumo#sentient_agent an agent that has rights but may or may not have responsibilities and the ability to reason; if the latter are present, then the agent is also a cognitive_agent; domesticated animals are an example of sentient_agents that are not also cognitive_agents
subtype: pm#living_physical_entity alive physical entity
subtype: #living_thing__organism__being a living (or once living) entity that has (or can develop) the ability to act or function independently
subtype: #cell the basic structural and functional unit of all organisms; cells may exist as independent units of life (as in monads) or may form colonies or tissues as in higher plants and animals
subtype: dl#non-agentive_physical_object__NAPO e.g., a bottle
subtype: pm#dead_physical_entity physical_entity that is no more alive
subtype: pm#dead_person
subtype: #physical_object__object a tangible and visible entity; an entity that can cast a shadow; "it was full of rackets, balls and other objects"
subtype: #natural_object__naturalobject an object occurring naturally; not made by man
subtype: #artifact__artefact a man-made object taken as a whole
subtype: #draw.physical_object__lot anything (straws or pebbles etc.) taken or chosen at random; "the luck of the draw"; "they drew lots for it"
subtype: #film a thin coating or layer; "the table was covered with a film of dust"
subtype: #part.physical_object__portion something less than the whole of a human artifact: "the rear part of the house"; "glue the two parts together"
subtype: #something_resembling_a_snake__snake something resembling a snake
subtype: #paring (usually plural) a part of a fruit or vegetable that is pared or cut off; especially the skin or peel; "she could peel an apple with a single long paring"
subtype: #body_of_water__water the part of the earth's surface covered with water (such as a river or lake or ocean); "they invaded our territorial waters"; "they were sitting by the water's edge"
subtype: #catch.physical_object anything that is caught (especially if it is worth catching); "he shared his catch with the others"
subtype: #discard.physical_object anything that is cast aside or discarded
subtype: #finding.physical_object something that is found; "the findings in the gastrointestinal tract indicate that he died several hours after dinner"; "an area rich in archaelogical findings"
subtype: #floater an object that floats or is capable of floating
subtype: #fomite any inanimate object (as a towel or money or clothing or dishes or books or toys etc.) that can transmit infectious organisms from one person to another
subtype: #growth.physical_object something grown or growing; "a growth of hair"
subtype: #head.physical_object a rounded compact mass; "the head of a comet"
subtype: #ice the frozen part of a body of water
subtype: #dry_land__dryland__land__earth__solid_ground__solidground__terrafirma the solid part of the earth's surface; "the plane turned away from the sea and moved back over land"; "the earth shook for several minutes"; "he dropped the logs on the ground"
subtype: #soil__land__ground material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use); "the land had never been plowed"; "good agricultural soil"
subtype: #moon.physical_object any object resembling a moon; "he made a moon lamp that he used as a night light"; "the clock had a moon that showed various phases"
subtype: #neighbour__neighbor a nearby object of the same kind; "Fort Worth is a neighbor of Dallas"; "what is the closest neighbor to the Earth?"
subtype: #pounder something weighing a given number of pounds; "the fisherman caught a 10-pounder" or "their linemen are all 300-pounders"
subtype: #remains__remain any object that is left unused or still extant; "I threw out the remains of my dinner"
subtype: #thread__ribbon any long object resembling a thin line; "a mere ribbon of land"; "the lighted ribbon of traffic"; "from the air the road was a gray thread"; "a thread of smoke climbed upward"
subtype: #shiner.physical_object something that shines (with emitted or reflected light)
subtype: #vagabond anything that resembles a vagabond in having no fixed place; "pirate ships were vagabonds of the sea"
subtype: #wall.physical_object anything that suggests a wall in structure or effect; "a wall of water"; "a wall of smoke"; "a wall of prejudice"
subtype: #web an intricate network suggesting something that was formed by weaving or interweaving; "the trees cast a delicate web of shadows over the lawn"
subtype: dl#biological_object an animal is not a biological_object, it is constituted_by a biological_object which itself is constituted_by some matter
subtype: dl#organism
subtype: dl#artifact
subtype: dl#instrumentality
subtype: dl#construction
subtype: dl#physical_place
subtype: dl#geographical_object
subtype: dl#unitary_collection__unitarycollection
subtype: cyc#information_bearing_object__informationbearingobject This notion is useful to group together all information bearing physical entities, including video, audio and documents. An information bearing object may have an author (a generic agent) and may be owned by a legal agent. It is a tangible object. See http://www.cycfoundation.org/concepts/CompositeTangibleAndIntangibleObject for more details.
subtype: aktp#Recorded-Audio
subtype: aktp#Recorded-Video
subtype: aktp#Publication
subtype: aktp#Message
subtype: aktp#Web-Site
subtype: pm#physical_entity_part_or_substance
subtype: dl#amount_of_matter__M similar to sumo#substance but does not need to be connected, e.g., "the amount of gold at this moment located in Europe"
subtype: sumo#substance__amount_of_matter___divisible_entity_without_discrete_parts object in which every part is similar to every other in every relevant respect; more precisely, something is a substance when it has only arbitrary pieces as parts - any part has properties which are similar to those of the whole; note that a substance may nonetheless have physical properties that vary, e.g., the temperature, chemical constitution, density, etc. may change from one part to another; examples: body of water, air, cement
subtype: sumo#synthetic_substance__syntheticsubstance any substance that is the result of an intentional_process, i.e. any substance that is created by humans
subtype: sumo#natural_substance__naturalsubstance any substance that is not the result of an intentional_process, i.e. any substance that occurs naturally
subtype: sumo#pure_substance substances with constant composition, e.g., table salt, sugar, water, iron, copper and oxygen
subtype: sumo#mixture a mixture is two or more pure_substances, combined in varying proportions - each retaining its own specific properties; the components of a mixture can be separated by physical means, i.e. without the making and breaking of chemical bonds; examples: air, table salt thoroughly dissolved in water, milk, wood, and concrete
subtype: #substance__matter that which has mass and occupies space; "an atom is the smallest indivisible unit of matter"
subtype: #food_or_beverage__nutrient__food any substance that can be metabolized by an organism to give energy and build tissue
subtype: #yolk__vitellus nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg)
subtype: #solid_food__solidfood__food any solid substance (as opposed to liquid) that is used as a source of nourishment; "food and drink"
subtype: #comestible__edible__eatable__victual__victual any substance that can be used as food
subtype: #fare the food and drink that are regularly consumed
subtype: #foodstuff__food_product a substance that can be used or prepared for use as food
subtype: #nutriment__nourishment__nutrition__sustenance__aliment__victuals a source of materials to nourish the body
subtype: #commissariat__provisions__provender__viands__victuals a stock or supply of foods
subtype: #feed__provender food for domestic livestock
subtype: #miraculous_food__manna__manna_from_heaven (Old Testament) food that God gave the Israelites during the exodus
subtype: #beverage__drink__drinkable__potable any liquid suitable for drinking: "may I take your beverage order?"
subtype: #chyme a semiliquid mass of partially digested food that passes from the stomach through the pyloric sphincter into the duodenum
subtype: #ballast any heavy material used to stabilize a ship or airship
subtype: #bedding_material__beddingmaterial__litter material used to provide a bed for animals
subtype: #body_substance the substance of the body
subtype: #solid_body_substance the solid parts of the body
subtype: #liquid_body_substance__bodily_fluid__body_fluid__humor__humour the liquid parts of the body
subtype: #chromatin the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins
subtype: #achromatin the part of a cell nucleus that is relatively uncolored by stains or dyes
subtype: #intercellular_substance__intercellularsubstance__matrix__ground_substance the body substance in which tissue cells are embedded
subtype: #humour__humor one of the four fluids in the body whose balance was believed (in ancient and medieval physiology) to determine your emotional and physical state; "the humors are blood and phlegm and yellow and black bile"
subtype: #protoplasm__living_substance the living substance of a cell (including cytoplasm and nucleus)
subtype: #cytoplasm the protoplasm of a cell excluding the nucleus
subtype: #nucleoplasm__karyoplasm the protoplasm that constitutes the nucleus of a cell
subtype: #germ_plasm__plasm the protoplasm of the germ cells that contains chromosomes and genes
subtype: #blood_platelet__bloodplatelet__platelet__thrombocyte tiny bits of protoplasm found in vertebrate blood; essential for blood clotting
subtype: #drift.substance something heaped up by the wind or current
subtype: #drumlin a mound of glacial drift
subtype: #snowdrift a mass of snow heaped up by the wind
subtype: #grinding.substance matter resulting from the process of grinding; "vegetable grindings clogged the drain"
subtype: #sediment__deposit matter deposited by water or ice or wind
subtype: #alluvial_sediment__alluvial_deposit__alluvium__alluvion clay or slit or gravel carried by rushing streams and deposited where the stream slows down
subtype: #dregs__dreg__grounds__settlings__settling sediment that has settled at the bottom of a liquid
subtype: #lees the sediment from fermentation of an alcoholic beverage
subtype: #salt_lick__lick a salt deposit that animals regularly lick
subtype: #evaporite the sediment that is left after the evaporation of seawater
subtype: #material.substance__stuff the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread"
subtype: #rind a hard outer covering or skin on food
subtype: #mote__atom__molecule__particle__speck (nontechnical usage) a tiny piece of anything
subtype: #floccule__floc a small loosely aggregated mass of flocculent material suspended in or precipitated from a liquid
subtype: #HAZMAT an abbreviation for `hazardous material' used on warning signs; "NO HAZMATS IN TUNNEL"
subtype: #raw_material__rawmaterial__staple material suitable for manufacture or use or finishing
subtype: #sorbate a material that has been or is capable of being taken up by another substance by either absorption or adsorption
subtype: #sorbent_material__sorbentmaterial__sorbent a material that sorbs another substance; i.e. that has the capacity or tendency to take it up by either absorption or adsorption
subtype: #diamagnet a substance that exhibits diamagnetism
subtype: #mineral solid homogeneous inorganic substances occurring in nature having a definite chemical composition
subtype: #rock__stone material consisting of the aggregate of minerals like those making up the Earth's crust
subtype: #adhesive_material__adhesive a substance that unites or bonds surfaces together
subtype: #sealing_material__sealingmaterial any substance used to seal joints or fill cracks in a porous surface
subtype: #animal_material material derived from animals
subtype: #fluff.material any light downy material
subtype: #bimetal material made by bonding together sheets of two different metals
subtype: #abrasive_material__abrasive__abradant a substance that abrades or wears down
subtype: #chemical produced by or used in a reaction involving changes in atoms or molecules
subtype: #composite_material__compositematerial strong lightweight material developed in the laboratory; fibers of more than one kind are bonded together chemically
subtype: #conductor.material a substance that readily conducts e.g. electricity and heat
subtype: #insulator__dielectric__nonconductor a material such as glass or porcelain with negligible electrical or thermal conductivity
subtype: #contaminant__contamination a substance that contaminates
subtype: #dust.material free microscopic particles of solid material; "astronomers say that the empty space between planets actually contains measurable amounts of dust"
subtype: #elastomer any of various elastic materials that resemble rubber (resumes its original shape when a deforming force is removed)
subtype: #earth.material the loose soft material that makes up a large part of the land surface; "they dug into the earth outside the church"
subtype: #discharge.material__emission a substance that is emitted or released
subtype: #detritus loose material (stone fragments and silt etc) that is worn away from rocks
subtype: #waste_material__wastematerial__waste__waste_matter__wastematter__waste_product__wasteproduct any materials unused and rejected as worthless or unwanted; "they collect the waste once a week"; "much of the waste material is carried off in the sewers"
subtype: #fiber__fibre a slender and greatly elongated solid substance
subtype: #filling.material any material that fills a space or container; "there was not enough fill for the trench"
subtype: #foam a lightweight material in cellular form; made by introducing gas bubbles during manufacture
subtype: #lubricant__lubricator__lubricating_substance__lubricatingsubstance a substance capable of reducing friction by making surfaces smooth or slippery
subtype: #homogenate material that has been homogenized (especially tissue that has been ground and mixed); "liver homogenate"
subtype: #paper a material made of cellulose pulp derived mainly from wood or rags or certain grasses
subtype: #packing_material__packingmaterial__wadding any material used especially to protect something
subtype: #coloring_material__colouring_material__colouringmaterial__color__colour any material used for its color
subtype: #plant_material__plantmaterial material derived from plants
subtype: #radioactive_material__radioactivematerial material that is radioactive
subtype: #thickener__thickening any material used to thicken; "starch is used in cooking as a thickening"
subtype: #toner.material a substance used in a printer to develop a xerographic image
subtype: #transparent_substance__transparentsubstance__translucent_substance__translucentsubstance a material having the property of admitting light diffusely; a partly transparent material
subtype: #detergent_builder__detergentbuilder__builder a substance added to soaps or detergents to increase their cleansing action
subtype: #vernix_caseosa__vernix a white cheese-like protective material that covers the skin of a fetus
subtype: #ylem (cosmology) the original matter that (according to the big bang theory) existed before the formation of the chemical elements
subtype: #antimatter matter consisting of elementary particles that are the antiparticles of those making up normal matter
subtype: #micronutrient a substance needed only in small amounts for normal body function (e.g., vitamins or minerals)
subtype: #philosopher's_stone a hypothetical substance that the alchemists believed to be capable of changing base metals into gold
subtype: #phlogiston a hypothetical substance once believed to be present in all combustible materials and to be released during burning
subtype: #allergen any substance that can cause an allergy
subtype: #ragweed_pollen__ragweedpollen pollen of the ragweed plant is a common allergen
subtype: #pyrogen any substance that can cause a rise in body temperature
subtype: #mixture (chemistry) a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)
subtype: #alloy__metal a mixture containing two or more metallic elements or metallic and nonmetallic elements usually fused together or dissolving into each other when molten; "brass is an alloy of zinc and copper"
subtype: #colloid a mixture with properties between those of a solution and fine suspension
subtype: #composition.mixture a mixture of ingredients
subtype: #mechanical_mixture a mixture whose components can be separated by mechanical means
subtype: #eutectic a mixture of substances having a minimum melting point
subtype: #solution.mixture a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution; "he used a solution of peroxide and water"
subtype: #suspension a mixture in which fine particles are suspended in a fluid where they are supported by buoyancy
subtype: #freezing_mixture a mixture of substances (usually salt and ice) to obtain a temperature below the freezing point of water
subtype: #Greek_fire a mixture used by Byzantine Greeks that was often shot at adversaries; catches fire when wetted
subtype: #gummite a gummy orange mixture of uranium oxides and silicates occurring naturally in the hydration and oxidation of pitchblende
subtype: #lamellar_mixture a mixture in which substances occur in distinct layers
subtype: #matte a mixture of sulfides that forms when sulfide metal ores are smelted
subtype: #oxyacetylene a mixture of oxygen and acetylene; used to create high temperatures for cutting or welding metals
subtype: #petrolatum__petroleum_jelly__petroleumjelly__mineral_jelly__mineraljelly a semi-solid mixture of hydrocarbons obtained from petroleum; used in medicinal ointments and for lubrication
subtype: #plaster a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings
subtype: #soda_lime a mixture of sodium and calcium hydroxides; absorbs liquids and gases
subtype: #hydrocolloid a substance that forms a gel with water
subtype: #jello__Jell-O fruit-flavored dessert (trade mark Jell-O) made from a commercially prepared gelatin powder
subtype: #adulterant__adulterator any substance that adulterates (lessens the purity or effectiveness of a substance); "it is necessary to remove the adulterants before use"
subtype: #atom (physics and chemistry) the smallest component of an element having the chemical properties of the element
subtype: #ion an electrically charged particle; an atom that has lost one or more of its electrons
subtype: #isotope one of two or more atoms with the same atomic number but with different numbers of neutrons
subtype: #monad an atom having a valence of one
subtype: #carbon_atom an atom of carbon
subtype: #hydrogen_atom an atom of hydrogen
subtype: #free_radical__radical an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule than has lost an electron and will stabilize itself by stealing an electron from a nearby molecule; "in the body free radicals are high-energy particles that ricochet wildly and damage cells"
subtype: #chemical_element__element any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
subtype: #actinoid__actinide__actinon any of a series of radioactive elements with atomic numbers 89 through 103
subtype: #allotrope a structurally different form of an element: "graphite and diamond are allotropes of carbon"
subtype: #transuranic_element__transuranicelement any element having an atomic number greater than 92" (the atomic number of uranium); all are radioactive
subtype: #noble_gas__noblega__inert_gas__inertga any of the chemically inert gaseous elements of the helium group in the periodic table
subtype: #rare_earth__rare-earth_element__lanthanoid__lanthanide__lanthanon any element of the lanthanide series (atomic numbers 57 through 71)
subtype: #metallic_element__metal any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
subtype: #nonmetal a chemical element lacking typical metallic properties
subtype: #transactinide any of the artificially produced elements with atomic numbers greater than 103
subtype: #actinium__Ac__atomic_number_89 a radioactive element of the actinide series; found in uranium ores
subtype: #arsenic__As__atomic_number_33 a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
subtype: #astatine__At__atomic_number_85 a highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium
subtype: #boron__b__atomicnumber5 a trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
subtype: #bromine__Br__atomic_number_35 a nonmetallic largely pentavalent heavy volatile corrosive dark brown liquid element belonging to the halogens; found in sea water
subtype: #carbon__C__atomic_number_6 an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
subtype: #chlorine__Cl__atomic_number_17 a common nonmetallic element belonging to the halogens; best known as a heavy yellow irritating toxic gas; used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt (as in sea water)
subtype: #fluorine__F__atomic_number_9__atomicnumber9 a nonmetallic univalent element; usually a yellow irritating toxic flammable gas; a powerful oxidizing agent; recovered from fluorite or cryolite or fluorapatite
subtype: #germanium__Ge__atomic_number_32 a brittle gray crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite
subtype: #helium__He__atomic_number_2 a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
subtype: #hydrogen__H__atomic_number_1__atomicnumber1 a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe
subtype: #iodine__iodin__I__atomic_number_53 a nonmetallic element belonging to the halogens; used especially in medicine and photography and in dyes; occurs naturally only in combination in small quantities (as in sea water or rocks)
subtype: #krypton__Kr a colorless element that is one of the six inert gasses; occurs in trace amounts in air
subtype: #lawrencium__Lw__atomic_number_103 a radioactive transuranic element synthesized from californium
subtype: #mendelevium__Md__Mv__atomic_number_101 a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles (Md is the current symbol for mendelevium; Mv was formerly the symbol)
subtype: #neon__Ne__atomic_number_10 a colorless odorless gaseous element that give a red glow in a vacuum tube; one of the six inert gasses; occurs in the air in small amounts
subtype: #nitrogen__N__atomic_number_7 a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues
subtype: #nobelium__No__atomic_number_102 a radioactive transuranic element synthesized by bombarding curium with carbon ions; 7 isotopes are known
subtype: #oxygen__O__atomic_number_8 a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust
subtype: #phosphorus__P__atomic_number_15 a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
subtype: #plutonium__Pu__atomic_number_94 a radioactive transuranic element that is similar to uranium; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239
subtype: #radon__Rn__atomic_number_86 a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
subtype: #rutherfordium__Rf__kurchatovium__Ku__unnilquadium__Unq__element_104__element104__atomic_number_104 a radioactive transuranic element which has been synthesized
subtype: #selenium__Se__atomic_number_34 a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable gray metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
subtype: #silicon__Si__atomic_number_14 a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
subtype: #sulfur__S__sulphur__atomic_number_16 an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
subtype: #tellurium__Te__atomic_number_52 a brittle silver-white metalloid element that is related to selenium and sulfur; it is used in alloys and as a semiconductor; occurs mainly as tellurides in ores of copper and nickel and silver and gold
subtype: #unnilhexium__Unh__element_106__element106__atomic_number_106 a transuranic element
subtype: #unnilquintium__unnilpentium__Unp__hahnium__element105__atomic_number_105 a transuranic element that has not been found in nature
subtype: #unnilseptium__Uns__element_107__element107__atomic_number_107 a transuranic element that has not been found in nature
subtype: #xenon__Xe__atomic_number_54 a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts
subtype: #halogen any of the chemical elements fluorine or chlorine or bromine or iodine or astatine
subtype: #trace_element__traceelement an element that occurs at very small quantities in the body but is nonetheless important for many biological processes
subtype: #propellant__propellent something that propels
subtype: #rocket_fuel__rocket_propellant__rocket_propellent an explosive charge that propels a rocket
subtype: #compressed_gas gas at a high pressure that can be used as a propellant
subtype: #denaturant any substance that serves as a denaturing agent
subtype: #activator any agency bringing about activation; (biology) a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription
subtype: #activating_agent (mineral extraction) a surface-active chemical used in flotation process to increase the attraction to a specific mineral
subtype: #accelerator__catalyst (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
subtype: #sensitizer__sensitiser (chemistry) a substance other than a catalyst that facilitates the start of a catalytic reaction; (physics) an impurity that augments luminescence in a mineral
subtype: #inhibitor a substance that retards or stops an activity
subtype: #antioxidant substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides
subtype: #anticatalyst (chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst
subtype: #moderator.inhibitor any substance used to slow down neutrons in nuclear reactors
subtype: #ferment a substance capable of bringing about fermentation
subtype: #substrate the substance acted upon by an enzyme or ferment
subtype: #carcinogen any substance that produces cancer
subtype: #chemical_compound__compound (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
subtype: #vanillin a crystalline compound found in vanilla beans and some balsam resins; used in perfumes and flavorings
subtype: #acceptor.chemical_compound (chemistry) in the formation of a coordinate bond it is the compound to which electrons are donated
subtype: #adduct a compound formed by an addition reaction
subtype: #antiknock any of various compounds that are added to gasoline to reduce engine knocking
subtype: #acid any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
subtype: #arsenide a compound of arsenic with a more positive element
subtype: #anionic_compound__anioniccompound a compound characterized by an active anion
subtype: #base__alkali any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; "bases include oxides and hydroxides of metals and ammonia"
subtype: #binary_compound chemical compound composed of only two elements
subtype: #chelate_compound__chelatecompound__chelate a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions
subtype: #taurine a colorless crystalline substance obtained from the bile of mammals
subtype: #chromogen a compound that can be converted to a pigment
subtype: #manganese_tetroxide__manganesetetroxide an oxide of manganese found naturally as hausmannite
subtype: #monomer a simple compound whose molecules can join together to form polymers
subtype: #ozonide any of a class of unstable chemical compounds resulting from the addition of ozone to a double bond in an unsaturated compound
subtype: #organic_compound__organiccompound any compound of carbon and another element or a radical
subtype: #ammine a complex inorganic compound that contains ammonia molecules
subtype: #anhydride a compound formed from one or more other compounds in a reaction resulting in removal of water
subtype: #azide a chemical compound containing the azido group combined with an element or radical
subtype: #bitter_principle any one of several hundred compounds having a bitter taste; not admitting of chemical classification
subtype: #buffer an ionic compound that resists changes in its pH
subtype: #calcium-cyanamide__calciumcyanamide__cyanamide a compound used as a fertilizer and as a source of nitrogen compounds
subtype: #carbonyl a compound containing metal combined with carbon monoxide
subtype: #carbon_disulfide a toxic colorless flammable liquid (CS2); used in the manufacture of rayon and cellophane and carbon tetrachloride and as a solvent for rubber
subtype: #cofactor a substance (as a coenzyme) that must join with another to produce a given result
subtype: #cementite__iron_carbide the iron carbide constituent of steel and cast iron; very hard and brittle
subtype: #chloropicrin__nitrochloroform a heavy colorless insoluble liquid compound that causes tears and vomiting; used as a pesticide and as tear gas
subtype: #coordination_compound__complex a compound described in terms of the central atom to which other atoms are bound or coordinated
subtype: #allomorph.chemical_compound any of several different crystalline forms of the same chemical compound: "calcium carbonate occurs in the allomorphs calcite and aragonite"
subtype: #corrosive a substance having the tendency to cause corrosion (such a strong acids or alkali)
subtype: #aluminate a compound of alumina and a metallic oxide
subtype: #defoliant a chemical that is sprayed on plants and causes their leaves to fall off
subtype: #depilatory a chemical (usually a sulfide) used to remove hair or wool or bristles from hides
subtype: #dimer a compound whose molecules are composed of two identical monomers
subtype: #fixing_agent a compound that sets or fixes something
subtype: #preparation__formulation a substance prepared according to a formula
subtype: #enantiomorph__enantiomer either one of a pair of compounds (crystals or molecules) that are mirror images on each other but are not identical
subtype: #goitrogen any substance (such as thiouracil) that induces the formation of a goiter
subtype: #benzofuran__coumarone__cumarone a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins
subtype: #synthetic a compound made artificially by chemical reactions
subtype: #hydrate any compound that contains water of crystallization
subtype: #hydroxide a chemical compound containing the hydroxyl group
subtype: #incense a substance that produces a fragrant odor when burned
subtype: #inorganic_compound__inorganiccompound any compound that does not contain carbon
subtype: #repellent.chemical_compound__repellant a chemical substance that repels animals
subtype: #repellant__repellent a compound with which fabrics are treated to repel water
subtype: #iodocompound a compound containing the covalent iodine radical
subtype: #isomer a compound that exists in forms having different arrangements of atoms but the same molecular weight
subtype: #hydrated_oxide__hydroxide a compound of an oxide with water
subtype: #nitrogen_mustard a toxic compound resembling mustard gas in structure; important in cancer treatment
subtype: #nitride a compound containing nitrogen and a more electropositive element (such as phosphorus or a metal)
subtype: #oxide any compound of oxygen with another element or a radical
subtype: #polymer naturally occurring or synthetic; consisting of large molecules made up of a linked series of repeated simple monomers
subtype: #preservative a chemical compound that is added to protect against decay or decomposition
subtype: #quinone__benzoquinone any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins; used in making dyes
subtype: #salt a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)
subtype: #caustic any chemical substance that burns or destroys living tissue
subtype: #chloride any compound containing a chlorine atom
subtype: #silicide any of various compounds of silicon with a more electropositive element or radical
subtype: #siloxane any of a large class of compounds that have alternate silicon and oxygen atoms
subtype: #sternutator__sternutatory a chemical substance that causes sneezing and coughing and crying; "police used a sternutatory to subdue the mob"
subtype: #sulfide__sulphide a compound of sulphur and some other element that is more electropositive
subtype: #telluride any binary compound of tellurium with other more electropositive elements
subtype: #tenderizer__tenderiser a substance (as the plant enzyme papain) applied to meat to make it tender
subtype: #tetrachloride any compound that contains four chlorine atoms per molecule
subtype: #enamel.chemical_compound a colored glassy compound (opaque or partially opaque) that is fused to the surface of metal or glass or pottery for decoration or protection
subtype: #pregnanediol a compound found in women's urine during certain phases of the menstrual cycle and in the urine of pregnant women
subtype: #element one of four substances thought in ancient and medieval cosmology to constitute the physical universe; "the alchemists believed that there were four elements"
subtype: #air.element (archaic) once thought to be one of four elements composing the universe (Empedocles)
subtype: #fire.element (archaic) once thought to be one of four elements composing the universe (Empedocles)
subtype: #earth (archaic) once thought to be one of four elements composing the universe (Empedocles)
subtype: #ether__quintessence (archaic) the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies
subtype: #water.element (archaic) once thought to be one of four elements composing the universe (Empedocles)
subtype: #fuel__combustible__combustiblematerial a substance that can be burned to provide heat or power; "more fuel is needed during the winter months"; "they developed alternative fuels for aircraft"
subtype: #biomass.fuel__biomas plant materials and animal waste used as fuel
subtype: #butane occurs in natural gas; used in the manufacture of rubber and fuels
subtype: #wood_coal__charcoal a carbonaceous material obtained by heating wood or other organic matter in the absence of air
subtype: #coal_gas gaseous mixture produced by distillation of bituminous coal and used for heating and lighting
subtype: #coke carbon fuel produced by distillation of coal
subtype: #diesel_oil__diesel_fuel a heavy mineral oil used as fuel in diesel engines
subtype: #fossil_fuel fuel consisting of the remains of organisms preserved in rocks in the earth's crust with high carbon and hydrogen content
subtype: #fuel_oil__heating_oil a petroleum product used for fuel
subtype: #gasohol a gasoline substitute consisting of 90% gasoline and 10% grain alcohol from corn
subtype: #gasoline__gasolene__gas__petrol a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
subtype: #illuminant something that can serve as a source of light
subtype: #kerosine__kerosene a flammable hydrocarbon oil used as fuel in lamps and heaters
subtype: #methanol__methyl_alcohol__wood_alcohol__wood_spirit a light volatile flammable poisonous liquid alcohol; used as an antifreeze and solvent and fuel and as a denaturant for ethyl alcohol
subtype: #peat partially carbonized vegetable matter saturated with water; used as a fuel when dried
subtype: #propane colorless gas found in natural gas and petroleum; used as a fuel
subtype: #red_fire__redfire combustible material (usually salts of lithium or strontium) that burns bright red; used in flares and fireworks
subtype: #water_gas a mixture of hydrogen and carbon monoxide with small amounts of other gases; made by blowing steam over hot coke or coal
subtype: #firewood wood used for fuel; "they collected and cut their own firewood"
subtype: #igniter__ignitor__lighter a substance used to ignite or kindle a fire
subtype: #medium.substance an intervening substance through which something is achieved; "the dissolving medium is called a solvent"
subtype: #dissolvent__solvent__dissolver__dissolving_agent__resolvent a liquid substance capable of dissolving other substances; "the solvent does not change its state in forming a solution"
subtype: #culture_medium__culturemedium (bacteriology) a nutrient substance (solid or liquid) that is used to cultivate micro-organisms
subtype: #nutrient_agar__agar any culture medium that uses agar as the gelling agent
subtype: #preserving_substance__medium (biology) a substance in which specimens are preserved or displayed
subtype: #contrast_medium__contrast_material a substance that is opaque to x-rays; when administered it allows a radiologist to examine the organ or tissue it fills
subtype: #humectant any substance that is added to another substance to keep it moist
subtype: #propylene_glycol__propyleneglycol__propanediol a sweet colorless, viscous, hygroscopic liquid used as an antifreeze and in brake fluid and also as a humectant in cosmetics and personal care items although it can be absorbed through the skin with harmful effects
subtype: #inoculant__inoculum a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease
subtype: #jelly.substance a substance having the consistency of semi-solid foods
subtype: #petrolatum__petroleum_jelly__petroleumjelly__mineral_jelly__mineraljelly a semi-solid mixture of hydrocarbons obtained from petroleum; used in medicinal ointments and for lubrication
subtype: #leaven__leavening a substance used to produce fermentation in dough or a liquid
subtype: #baking_powder any of various powdered mixtures used in baking as a substitute for yeast
subtype: #sourdough a leaven of dough in which fermentation is active; used by pioneers for making bread
subtype: #barm__yeast a commercial leavening agent containing yeast cells; used to raise the dough in making bread and for fermenting beer or whiskey
subtype: #fluid.substance a continuous amorphous substance that tends to flow and to conform to the outline of its container: a liquid or a gas
subtype: #gas a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely
subtype: #ichor (Greek mythology) the rarified fluid said to flow in the veins of the Gods
subtype: #liquid.fluid a substance in the fluid state of matter having no fixed shape but a fixed volume
subtype: #fluid a substance that is fluid at room temperature and pressure
subtype: #coolant a fluid agent (gas or liquid) that produces cooling; especially one used to cool a system by transfering heat away from one part to another; "he added more coolant to the car's radiator"; "the atomic reactor used a gas coolant"; "lathe operators use an emulsion of oil and water as a coolant for the cutting tool"
subtype: #filtrate the product of filtration; a gas or liquid that has been passed through a filter
subtype: #liquid a substance that is liquid at room temperature and pressure
subtype: #slime__goo__gook__guck__gunk__muck__ooze any thick messy substance
subtype: #sapropel sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans
subtype: #system.substance (physical chemistry) a sample of matter in which substances in different phases are in equilibrium; "in a static system oil cannot be replaced by water on a surface"; "a system generating hydrogen peroxide"
subtype: #refrigerant a substance used to provide cooling (as in a refrigerator)
subtype: #cryogen a liquid that boils at below -160 C and is used as a refrigerant
subtype: #residue matter that remains after something has been removed
subtype: #ash the residue that remains when something is burned
subtype: #cottonseed_cake__cotton_cake the solid matter remaining after oil has been pressed from cottonseeds
subtype: #dottle the residue of partially burnt tobacco left caked in the bowl of a pipe after smoking
subtype: #lysin any substance (such as an antibody) or agent that can cause lysis
subtype: #poisonous_substance__poisonoussubstance__poison any substance that causes injury or illness or death of a living organism
subtype: #atropine a poisonous crystalline alkaloid extracted from the nightshade family; used as an antispasmodic and to dilate the eye pupil
subtype: #hyoscyamine a poisonous crystalline alkaloid (isometric with atropine but more potent); used to treat excess motility of the gastrointestinal tract
subtype: #toxin a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species
subtype: #chemical_irritant a substance producing irritation
subtype: #capsaicin colorless pungent crystalline compound derived from capsicum; source of the hotness of hot peppers of the genus Capsicum such as chili and cayenne and jalapeno
subtype: #gingerol derived from ginger; source of the hotness of ginger
subtype: #piperin__piperine derived from pepper (especially black pepper); source of the hotness of black and white pepper
subtype: #isothiocyanate a family of compounds derived from horseradish and radishes and onions and mustards; source of the hotness of those plants and preparations
subtype: #antigen any substance (as a toxin or enzyme) that stimulates the production of antibodies
subtype: #immunogen__immunizingagent any substance or organism that provokes an immune response (produces immunity) when introduced into the body
subtype: #agglutinogen any substance that acts as an antigen to cause agglutinin production
subtype: #fetoprotein any of several antigens that occur naturally in the fetus and sometimes in adults with cancer
subtype: #anatoxin__toxoid a bacterial toxin that has been weakened until it is no longer toxic but is strong enough to induce the formation of antibodies and immunity to the specific disease caused by the toxin; "diphtheria toxoid"
subtype: #rhesus_factor__Rh_factor__Rh a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia
subtype: #solid a substance that is solid at room temperature and pressure
subtype: #solid_food__solidfood__food any solid substance (as opposed to liquid) that is used as a source of nourishment; "food and drink"
subtype: #precipitate a precipitated solid substance in suspension or after settling or filtering
subtype: #plastic generic name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesives
subtype: #glass__glas a brittle transparent solid with irregular atomic structure
subtype: #crystal a solid formed by the solidification of a chemical and having a highly regular atomic structure
subtype: #powder a solid substance in the form of tiny loose particles
subtype: #dry_ice solidified carbon dioxide; dry ice sublimates at -78.5 C and is used mainly as a refrigerant
subtype: #solute the dissolved substance in a solution; the component of a solution that changes its state
subtype: #solvate a compound formed by solvation (the combination of solvent molecules with molecules or ions of the solute)
subtype: #volatile a volatile substance; a substance that changes readily from solid or liquid to a vapor; "it was heated to evaporate the volatiles"
subtype: #emanation something that is produced by emanation
subtype: #ectoplasm.emanation (in spiritualism) the substance supposed to emanate from the body of the medium during a trance
subtype: #essence any substance possessing to a high degree the predominant properties of a plant or drug or other natural product from which it is extracted
subtype: #ligand an atom or molecule or radical or ion that forms a complex around a central atom
subtype: #metabolite any substance involved in metabolism (either as a product of metabolism or as necessary for metabolism)
subtype: #vegetable_matter__vegetablematter matter produced by plants or growing in the manner of a plant
subtype: #peat partially carbonized vegetable matter saturated with water; used as a fuel when dried
subtype: #coal fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period
subtype: #physical_part__part__piece a portion of a natural object; "they analyzed the river into three parts"; "he needed a piece of granite"
subtype: #part.physical_object__portion something less than the whole of a human artifact: "the rear part of the house"; "glue the two parts together"
subtype: #appendage a part that is joined to something larger
subtype: #bulb.part a rounded part of a cylindrical instrument (usually at one end); "the bulb of a syringe"
subtype: #butt.part__stub the small unused part of something (especially the end of a cigarette that is left after smoking)
subtype: #component__constituent an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system: "spare components for cars"; "a component or constituent element of a system"
subtype: #cutout a part that is cut out or is intended to be cut out
subtype: #foible the weaker part of a sword's blade from the forte to the tip
subtype: #forte the stronger part of a sword blade between the hilt and the foible
subtype: #fraction.part a small part or item forming a piece of a whole
subtype: #hub the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes
subtype: #jetsam the part of a ship's equipment or cargo that is thrown overboard to lighten the load in a storm
subtype: #peen the part of a hammerhead opposite the flat striking surface (may have various shapes)
subtype: #piece a separate part of a whole: "an important piece of the evidence"
subtype: #pressing a metal or plastic part that is made by a mechanical press
subtype: #object_section__section__segment one of several parts or pieces that fit with others to constitute a whole object: "a section of a fishing rod"; "metal sections were used below ground"; "finished the final segment of the road"
subtype: #waist__shank the narrow part of the shoe connecting the heel and the wide part of the sole
subtype: #wreckage the remaining parts of something that has been wrecked; "they searched the wreckage for signs of survivors"
subtype: #body_part any part of an organism such as an organ or extremity
subtype: #saddle.body_part posterior part of the back of a domestic fowl
subtype: #underpart a part lying on the lower side or underneath an animal's body; "the warbler has a white throat and underparts"; "a woodland mouse with white underparts"
subtype: #horseback the back of a horse
subtype: #dock.body_part the solid bony part of the tail of an animal as distinguished from the hair
subtype: #ambulacrum one of the five areas on the under surface of an echinoderm on which the tube feet are located
subtype: #withers__wither the highest part of the back at the base of the neck of various animals especially draft animals
subtype: #cannon.body_part__shank lower part of the leg extending from the hock to the fetlock in hoofed mammals
subtype: #lumbus__loin either side of the backbone between the hipbone and the ribs in humans as well as quadrupeds
subtype: #hindquarters__croup__croupe__rump the part of a quadruped that corresponds to the human buttocks
subtype: #gaskin lower part of a horse's thigh between the hock and the stifle
subtype: #flank.body_part the side between ribs and hipbone
subtype: #thorax part of an insect's body that bears the wings and legs
subtype: #apparatus__apparatu (anatomy) a group of body parts that work together to perform a given function; "the breathing apparatus"
subtype: #adnexa__annexa an accessory or adjoining anatomical parts or appendages (especially of the embryo): "fallopian tubes and ovaries are adnexa of the uturus"
subtype: #area.body_part__region a part of an animal that has a special function or is supplied by a given artery or nerve; "in the abdominal region"
subtype: #dilator.body_part a muscle or nerve that dilates or widens a body part
subtype: #vallecula__groove (anatomy) any furrow or channel on a bodily structure or part
subtype: #septum (anatomy) dividing partition between two tissues or cavities
subtype: #external_body_part any body part visible externally
subtype: #anatomical_structure__structure__complex_body_part__bodily_structure__body_structure a particular complex anatomical structure; "he has good bone structure"
subtype: #system.body_part a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion"
subtype: #ampulla.body_part the dilated portion of a canal or duct especially of the semicircular canals of the ear
subtype: #tissue a part of an organism consisting of an aggregate of cells having a similar structure and function
subtype: #mentum a projection below the mouth of certain mollusks that resembles a chin
subtype: #organ a fully differentiated structural and functional unit in an animal that is specialized for some particular function
subtype: #venter a belly-like body part (as the belly of a muscle)
subtype: #energid__protoplast a biological unit consisting of a nucleus and the body of cytoplasm with which it interacts
subtype: #outgrowth__process__proces a natural prolongation or projection from a part of an organism either animal or plant; "a bony process"
subtype: #lobe (anatomy) a somewhat rounded subdivision of a bodily organ or part; "ear lobe"
subtype: #rectum the terminal section of the alimentary canal; from the sigmoid flexure to the anus
subtype: #shoulder the part of the body between the neck and the upper arm
subtype: #torso__trunk__body the body excluding the head and neck and limbs; "they moved their arms and legs and bodies"
subtype: #pectus__thorax__chest the part of the human body between the neck and the diaphragm or the corresponding part in other vertebrates
subtype: #breast the front part of the trunk from the neck to the abdomen; "he beat his breast in anger"
subtype: #thorax.body_part the middle region of the body of an arthropod between the head and the abdomen
subtype: #hip either side of the body below the waist and above the thigh
subtype: #haunch.body_part the hip and buttock and upper thigh in human beings
subtype: #abdomen__venter__stomach__belly the region of the body of a vertebrate between the thorax and the pelvis
subtype: #dorsum the back of the body of a vertebrate or any analogous surface (as the upper or outer surface of an organ or appendage or part: "the dorsum of the foot")
subtype: #back__dorsum the posterior part of a human (or animal) body from the neck to the end of the spine; "his back was nicely tanned"
subtype: #small the slender part of the back
subtype: #buttocks__nates__nate__arse__butt__backside__bum__buns__can__fundament__hindquarters__hind_end__keister__posterior__prat__rear__rear_end__rump__stern__seat__tail__tail_end__tooshie__tush__bottom__behind__derriere__fanny__ass__as the fleshy part of the human body that you sit on
subtype: #buttock__cheek either of the two large fleshy masses of muscular tissue that form the human rump
subtype: #stump the part of a limb or tooth that remains after the rest is removed
subtype: #shank.body_part the part of the human leg between the knee and the ankle
subtype: #toe.body_part forepart of a hoof
subtype: #articulatio__joint__articulation (anatomy) the point of connection between two bones or elements of a skeleton (especially if the articulation allows motion)
subtype: #loins__loin the region of the hips and groin and lower abdomen
subtype: #lineament__feature the characteristics parts of a person's face: eyes and nose and mouth and chin; "an expression of pleasure crossed his features"; "his lineaments were very regular"
subtype: #rudiment the remains of a body part that was functional at an earlier stage of life; "Meckel's diverticulum is the rudiment of the embryonic yolk sac"
subtype: menu#common_human_body_part
subtype: #corpus the main part of an organ or other bodily structure
subtype: #corpus_striatum__striate_body__striatebody a striped mass of white and grey matter located in front of the thalamus in each cerebral hemisphere
subtype: #acicula a needle-like part or structure of a plant or animal or crystal; as a spine or bristle or crystal
subtype: #base.physical_part the bottom or lowest part; "the base of the mountain"
subtype: #corner.physical_part a projecting part that is corner-shaped; "he knocked off the corners"
subtype: #craton the part of a continent that is stable and forms the central mass of the continent; typically Precambrian
subtype: #cutting a piece cut off from the main part of something
subtype: #pruning.cutting something that has been pruned off of a plant
subtype: #fragment a piece broken off of something else; "a fragment of rock"
subtype: #flake__bit__fleck__scrap a small fragment of something broken off from the whole; "a bit of rock caught him in the eye"
subtype: #brickbat.fragment a fragment of brick used as a weapon
subtype: #cinder__clinker a fragment of incombustible matter left after a wood or coal or charcoal fire
subtype: #ember__coal a hot glowing or smouldering fragment of wood or coal left from a fire
subtype: #filing.fragment a fragment rubbed off by the use of a file
subtype: #sliver__paring__shaving a thin fragment or slice (especially of wood) that has been shaved from something
subtype: #scraping a fragment scraped off of something and collected (usually plural); "they collected blood scrapings for analysis"
subtype: #spall__spawl a fragment broken off from the edge or face of stone or ore and having at least one thin edge; "a truck bearing a mound of blue spalls"
subtype: #spark a small fragment of a burning substance thrown out by burning material or by friction
subtype: #lump__hunk a large piece of something without definite shape; "a hunk of bread" or "a lump of coal"
subtype: #nugget a solid lump of a precious metal (especially gold) as found in the earth
subtype: #nub.physical_part__stub a small piece; "a nub of coal" or "a stub of a pencil"
subtype: #nubbin a small nub (especially an undeveloped fruit or ear of corn)
subtype: #segment one of the parts into which something naturally divides: "a segment of an orange"
subtype: #metamere__somite one of a series of similar body segments into which some animals are divided longitudinally
subtype: #sarcomere one of the segments into which a myofibril is divided
subtype: #section.segment a segment of a citrus fruit; "he ate a section of the orange"
subtype: #slice.physical_part a thin flat piece cut off of some object
subtype: #section.slice a very thin slice (of tissue or mineral or other substance) for examination under a microscope; "sections from the left ventricle showed diseased tissue"
subtype: #strip.physical_part a relatively long narrow piece of something; "he felt a flat strip of muscle"
subtype: #row.strip a long continuous strip (usually running horizontally); "a mackerel sky filled with rows of clouds"; "rows of barbed wire protected the trenches"
subtype: #world a part of the earth that can be considered separately; "the outdoor world"; "the world of insects"
subtype: #building_block__unit a single undivided natural entity occurring in the composition of something else; "units of nucleic acids"
subtype: #chemical_chain__chain a series of linked atoms (generally in an organic molecule)
subtype: #closed_chain__ring (chemistry) a chain of atoms in a molecule that forms a closed loop
subtype: #open_chain a chain of atoms in a molecule whose ends are not joined to form a ring
subtype: #couple.building_block something joined by two equal and opposite forces that act along parallel lines
subtype: #dipole a pair of equal and opposite electric charges or magnetic poles separated by a small distance
subtype: #unit_cell the smallest group of atoms or molecules whose repetition at regular intervals in three dimensions produces the lattices of a crystal
subtype: #chemical_group__group__radical (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
subtype: #acyl_group__acyl any group or radical of the form RCO- where R is an organic group; "an example of the acyl group is the acetyl group"
subtype: #alcohol_group__alcoholgroup__alcohol_radical__alcoholradical the chemical group -OH
subtype: #aldehyde_group__aldehyde_radical the chemical group -CHO
subtype: #alkyl_radical__alkylradical__alkyl__alkyl_group__alkylgroup any of a series of univalent groups of the general formula CnH2n+1 derived from aliphatic hydrocarbons
subtype: #allyl_radical__allylradical__allyl__allylgroup the univalent unsaturated organic radical C3H5; derived from propylene
subtype: #azido_group__azidogroup__azido_radical__azidoradical the univalent group N3- derived from hydrazoic acid
subtype: #azo_group__azogroup__azo_radical__azoradical the bivalent group -N=N- united to two hydrocarbon groups
subtype: #benzyl_radical__benzyl__benzyl_group the univalent radical derived from toluene
subtype: #benzoyl_group__benzoyl_radical the univalent radical derived from benzoic acid
subtype: #cacodyl_radical__cacodyl__cacodylgroup__arsenic_group the univalent group derived from arsine
subtype: #carbonyl_group the bivalent radical CO
subtype: #carboxyl_group__carboxyl the univalent radical COOH; present in and characteristic of organic acids
subtype: #chromophore the chemical group that gives color to a molecule
subtype: #cyano_group__cyano_radical__cyanoradical__cyanide_group__cyanide_radical the monovalent group -CN in a chemical compound
subtype: #glyceryl a trivalent radical derived from glycerol by removing the three hydroxyl radicals
subtype: #hydrazo_group__hydrazogroup__hydrazo_radical__hydrazoradical the bivalent group -HNNH- derived from hydrazine
subtype: #hydroxyl_radical__hydroxyl__hydroxyl_group the monovalent group -OH in such compounds as bases and some acids and alcohols
subtype: #ketone_group a group having the characteristic properties of ketones
subtype: #methylene_group__methylenegroup__methylene_radical__methyleneradical__methylene the bivalent radical CH2 derived from methane
subtype: #propyl_radical__propyl__propyl_group the monovalent organic group C3H7- obtained from propane
subtype: #nitrate the radical -NO3 or any compound containing it (such as a salt or ester of nitric acid)
subtype: #nitrite the radical -NO2 or any compound containing it (such as a salt or ester of nitrous acid)
subtype: #uranyl_radical__uranyl__uranyl_group the bivalent radical UO2 which forms salts with acids
subtype: #vinyl_radical__vinylradical__vinyl__vinyl_group__vinylgroup a univalent chemical radical derived from ethylene
subtype: #molecule (physics and chemistry) the simplest structural unit of an element or compound
subtype: #dipole_molecule a molecule that is a permanent dipole
subtype: #protein_molecule__proteinmolecule any large molecule containing chains of amino acids linked by peptide bonds
subtype: #coenzyme a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes
subtype: #macromolecule__supermolecule any very large molecule (a molecule of a protein or a polymer)
1 schema is about pm#physical_entity
[pm#graph1_on_physical_entity
[any pm#physical_entity (^$(no inheritance)$^),
pm#physical_part: a pm#physical_entity,
pm#matter: a #substance,
pm#physical_part of: a pm#physical_entity,
pm#location: a pm#spatial_object,
menu#spatial_characteristic (^$(explore 1)$^): a pm#spatial_attribute_or_quality_or_measure,
menu#physical_characteristic (^$(explore 2)$^): a menu#physical_characteristic,
may have for pm#owner: a menu#person_or_organization (^$(explore 1)$^),
#monetary_value: a #monetary_value,
may be pm#object of: a pm#commercial_transaction (^$(explore 1)$^),
may be pm#doer/object/result/place of (^$(explore)$^): a pm#situation]
];
6 statements are about direct instances of pm#physical_entity: pm#graph1_on_description_container, pm#graph1_on_artifact, pm#graph1_on_substance, pm#graph1_on_body_part, pm#graph1_on_body_covering
pm#physical_entity has many specializing statements. Browse its subtypes, or click here for a search form or here to represent such an object.
531 categories printed (given exploration depth: 4)