pm#unit_of_measure_for_a_physical_process
supertype: physical/spatial_unit_of_measure physical_process_attribute_or_quality_or_measure
subtype: acceleration_unit a unit for measuring acceleration
subtype: gal.acceleration_unit a unit of gravitational acceleration equal to one centimeter per second per second (named after Galileo)
subtype: work_unit__heat_unit__energy_unit a unit of measurement for work
subtype: erg a cgs unit of work or energy; the work done by a force of one dyne acting over a distance of one centimeter
subtype: electron_volt__eV__ev a unit of energy equal to the work done by an electron accelerated through a potential difference of 1 volt
subtype: joule__J__watt_second a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second
subtype: small_calorie__smallcalorie__calorie__gramcalorie unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure
subtype: Calorie__kilogram_calorie__kilocalorie__largecalorie__nutritionist's_calorie a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food
subtype: British_thermal_unit__BTU__Btu__btu__b.th.u. a unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure; equivalent to 251.997 calories
subtype: therm a unit of heat equal to 100,000 British thermal units
subtype: watt-hour a unit of energy equal to the power of one watt operating for one hour
subtype: kilowatt_hour__kW-hr__Board_of_Trade_unit__B.T.U. a unit of energy equal to the work done by a power of 1000 watts operating for one hour
subtype: foot-pound a unit of work equal to a force of one pound moving through a distance of one foot
subtype: foot-ton 2240 foot-pounds
subtype: foot-poundal a unit of work equal to a force of one poundal moving through a distance of one foot
subtype: horsepower-hour a unit of work equal to the work done by one horsepower in one hour
subtype: kilogram-meter a unit of work equal to the work done by a one kilogram force operating through a distance of one meter
subtype: force_measure__forcemeasure
subtype: force_unit__forceunit a unit of measurement of physical force
subtype: dyne a unit of force equal to the force that imparts an acceleration of 1 cm/sec/sec to a mass of 1 gram
subtype: newton__N a unit of force equal to the force that imparts an acceleration of 1 m/sec/sec to a mass of 1 kilogram; equal to 100,000 dynes
subtype: sthene a unit of force equal to 1000 newtons
subtype: poundal__pdl a unit of force equal to the force that imparts an acceleration of 1 foot/sec/sec to a mass of 1 pound; equal to 0.1382 newtons
subtype: lbf.__pound a nontechnical unit of force equal to the mass of 1 pound with an acceleration of free fall equal to 32 feet/sec/sec
subtype: g__gee a unit of force equal to the force exerted by gravity; used to indicate the force to which a body is subjected when it is accelerated
subtype: electromagnetic_unit__electromagneticunit__emu any of various systems of units for measuring electricity and magnetism
subtype: capacitance_unit__capacitanceunit a measure of the capacity of a circuit component to store charge
subtype: picofarad a unit of capacitance equal to one trillionth of a farad
subtype: millifarad a unit of capacitance equal to one thousandth of a farad
subtype: farad__F the capacitance of a capacitor that has an equal and opposite charge of 1 coulomb on each plate and a voltage difference of 1 volt between the plates
subtype: abfarad a capacitance unit equal to one billion farads
subtype: charge_unit__quantity_unit a measure of the quantity of electricity (determined by the amount of an electric current and the time for which it flows)
subtype: coulomb__c__ampere-second a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
subtype: abcoulomb a unit of electrical charge equal to 10 coulombs
subtype: ampere-minute a unit of charge equal to 60 coulombs
subtype: ampere-hour a unit of charge equal to 3600 coulombs
subtype: conductance_unit__conductanceunit a measure of a material's ability to conduct an electrical charge
subtype: mho__siemens__siemen__reciprocal_ohm__S a unit of conductance equal to the reciprocal of an ohm
subtype: current_unit__currentunit a measure of the amount of electric charge flowing past a circuit point at a specific time
subtype: ampere__amp__A the basic unit of electric current adopted under the System International d'Unites; "a typical household circuit carries 15 to 50 amps"
subtype: milliampere__mA__ma one thousandth of an ampere
subtype: abampere__abamp a unit of current equal to 10 amperes
subtype: international_ampere__internationalampere__ampere a former unit of electric current (slightly smaller than the SI ampere)
subtype: elastance_unit__elastanceunit the reciprocal of capacitance
subtype: daraf a unit of elastance equal to the reciprocal of a farad
subtype: field_strength_unit an electromagnetic unit of magnetic intensity
subtype: gamma.field_strength_unit a unit of magnetic field strength equal to one-hundred-thousandth of an oersted
subtype: oersted the magnetic field strength 1 cm from a unit magnetic pole
subtype: flux_density_unit a measure of the amount of flux per unit of cross sectional area
subtype: microgauss a unit of magnetic flux density equal to one millionth of a gauss
subtype: gauss__gaus a unit of magnetic flux density equal to 1 maxwell per square centimeter
subtype: tesla a unit of magnetic flux density equal to one weber per square meter
subtype: inductance_unit a measure of the property of an electric circuit by which an electromotive force is induced in it
subtype: abhenry a unit of inductance equal to one billionth of a henry
subtype: millihenry a unit of inductance equal to one thousandth of a henry
subtype: henry__H a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second
subtype: light_unit__lightunit a measure of the visible electromagnetic radiation
subtype: illumination_unit a measure of illumination
subtype: footcandle a unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle
subtype: lambert__l a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter
subtype: lux a unit of illumination equal to 1 lumen per square meter; 0.0929 foot candle
subtype: phot a unit of illumination equal to 1 lumen per square centimeter; 10,000 phots equal 1 lux
subtype: luminance_unit__luminanceunit a measure of luminance
subtype: nit.luminance_unit a luminance unit equal to 1 candle per square meter measured perpendicular to the rays from the source
subtype: foot-lambert__ft-L a former luminance unit equal to one lumen per square foot
subtype: luminous_flux_unit a measure of luminous flux per unit area
subtype: lm__lumen a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions
subtype: luminous_intensity_unit__candlepower_unit__candlepowerunit a measure of luminous intensity
subtype: standard_candle__candle__candela__cd the basic unit of luminous intensity adopted under the System International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin
subtype: international_candle__internationalcandle a former international unit of luminous intensity; now replaced by the candela
subtype: exposure.light_unit the intensity of light falling on a photographic film or plate; "he used the wrong exposure"
subtype: overexposure.exposure exposure to too much light or for too long a time
subtype: underexposure.exposure exposure to too little light or for too short a time
subtype: magnetomotive_force_unit__magnetomotiveforceunit a unit of measurement of magnetomotive force
subtype: gilbert__gb__Gi a unit of magnetomotive force equal to 0.7958 ampere-turns
subtype: ampere-turn a unit of magnetomotive force equal to the magnetomotive force produced by the passage of 1 ampere through 1 complete turn of a coil; equal to 1.257 gilberts
subtype: magneton a unit of magnetic moment of a molecular or atomic or subatomic particle
subtype: potential_unit__potentialunit a measure of the potential energy of a unit charge at a give point in a circuit relative to a reference point (ground)
subtype: abvolt a unit of potential equal to one-hundred-millionth of a volt
subtype: millivolt__mV__mv a unit of potential equal to one thousandth of a volt
subtype: volt__V a unit of potential equal to the potential difference between two points on a conductor carrying a current of 1 ampere when the power dissipated between the two points is 1 watt; equivalent to the potential difference across a resistance of 1 ohm when 1 ampere of current flows through it
subtype: kilovolt__kV__kv a unit of potential equal to a thousand volts
subtype: power_unit__powerunit a measure of electric power
subtype: abwatt a power unit equal to the power dissipated when 1 abampere flows across a potential difference of 1 abvolt (one ten-thousandth of a milliwatt)
subtype: milliwatt a unit of power equal to one thousandth of a watt
subtype: watt__W a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm
subtype: kilowatt__kW__kw a unit of power equal to 1000 watts
subtype: megawatt a unit of power equal to one million watts
subtype: horsepower__HP__H.P.__h.p.__hp a unit of power equal to 746 watts
subtype: volt-ampere__var a unit of electrical power in an AC circuit equal to the power dissipated when 1 volt produces a current of 1 ampere
subtype: kilovolt-ampere a unit of electrical power equal to 1000 volt-amperes
subtype: radioactivity_unit__radioactivityunit a measure of radioactivity
subtype: millicurie a unit of radioactivity equal to one thousandth of a curie
subtype: curie__Ci a unit of radioactivity equal to the amount of a radioactive isotope that decays at the rate of 37,000,000,000 disintegrations per second
subtype: roentgen__R a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
subtype: rutherford a unit strength of a radioactive source equal to one million disintegrations per second
subtype: REM__rem (Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays
subtype: rad a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
subtype: resistance_unit the reciprocal of conductance
subtype: abohm a unit of resistance equal to a billionth of an ohm
subtype: ohm a unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere
subtype: megohm a unit of resistance equal to one million ohms
subtype: absorption_unit a unit for measuring absorption
subtype: sabin a unit of acoustic absorption equivalent to the absorption by a square foot of a surface that absorbs all incident sound
subtype: explosive_unit__explosiveunit any unit for measuring the force of explosions
subtype: kiloton a measure of explosive power (of an atomic weapon) equal to that of 1000 tons of TNT
subtype: megaton a measure of explosive power (of an atomic weapon) equal to that of one million tons of TNT
subtype: pressure_unit a unit measuring force per unit area
subtype: standard_atmosphere__atmosphere__atm__standardpressure a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade
subtype: STP__s.t.p. standard temperature and pressure
subtype: pascal__Pa a unit of pressure equal to one newton per square meter
subtype: torr__millimeter_of_mercury__mm_Hg a unit of pressure equal to 0.001316 atmosphere; named after Torricelli
subtype: pounds_per_square_inch__psi a unit of pressure
subtype: millibar a unit of atmospheric pressure equal to one thousandth of a bar; "atmospheric pressure at sea level is 1013 millibars"
subtype: bar.pressure_unit a unit of pressure equal to a million dynes per square centimeter
subtype: barye__barabsolute__microbar the absolute unit of pressure equal to one dyne per square centimeter
5 statements are about indirect instances of unit_of_measure_for_a_physical_process: graph1_on_work.energy, graph1_on_electromagnetism, graph1_on_radiation, graph1_on_absorption, graph1_on_explosion click here to display them or click here for a search form or here to add a statement
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