#exudate  a substance that oozes from animal or plant pores
  supertype:  #discharge.material__emission  a substance that is emitted or released
  subtype:  #gum  any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying
     subtype:  #sweet_gum__sweetgum__liquidambar  aromatic exudate from the sweet gum tree
     subtype:  #eucalyptus_gum__eucalyptus_kino__eucalyptuskino__red_gum__redgum  reddish-brown dried gummy exudation from any of several trees of the genus Eucalyptus especially Eucalyptus camaldulensis
     subtype:  #gutta_balata__guttabalata__balata  when dried yields a hard substance used e.g. in golf balls
     subtype:  #gum_ammoniac__gumammoniac__ammoniac  the aromatic gum of the ammoniac plant
     subtype:  #carrageenin  a colloidal extract from carrageen seaweed and other red algae
     subtype:  #conima  a gum resin from the conium hemlock tree
     subtype:  #dragon's_blood  a dark red resinous substance derived from various trees and used in photoengraving
     subtype:  #euphorbium__gum_eurphorbium__gumeurphorbium  an acrid brown gum resin now used mainly in veterinary medicine
     subtype:  #frankincense__olibanum__gum_olibanum__gumolibanum__thu  an aromatic gum resin obtained from various Arabian or East African trees; formerly valued for worship and for embalming and fumigation
     subtype:  #galbanum__gum_albanum__gumalbanum  a bitter aromatic gum resin that resembles asafetida
     subtype:  #ghatti_gum__ghatti  an Indian gum from the dhawa tree; used as a substitute for gum arabic
     subtype:  #agar-agar__agar  a colloidal extract of algae; used especially in culture media and as a gelling agent in foods
     subtype:  #algin__alginic_acid__alginicacid  a gum used especially as a thickener or emulsifier
     subtype:  #cherry-tree_gum  exudation from trees of the prunus genus; resembles gum arabic
     subtype:  #chicle_gum__chicle  gum-like substance from the sapodilla
     subtype:  #chewing_gum__chewinggum  a gum prepared for chewing; sweetened and flavored
     subtype:  #guar_gum  from seeds of the guar plant; used to thicken foods and as sizing for paper and cloth
     subtype:  #gum_arabic__gumarabic__gum_acacia__gumacacia  gum from an acacia tree; used as a thickener (especially in candies and pharmaceuticals)
        subtype:  #Senegal_gum  from the vicinity of the Senegal river
     subtype:  #gum_butea__butea_gum__buteagum__butea_kino__buteakino__Bengal_kino  dried juice of the dhak tree; used as an astringent
     subtype:  #gum_kino__gumkino__kino_gum  obtained from various tropical plants; used as an astringent and in tanning
     subtype:  #mesquite_gum  obtained from mesquite pods; resembles gum arabic
     subtype:  #mucilage  a gelatinous substance secreted by plants
     subtype:  #sterculia_gum__sterculiagum__karaya_gum  exudate of an Asian tree; used for finishing textiles and to thicken foodstuffs and cosmetics
     subtype:  #gutta-percha__guttapercha  a whitish rubber derived from the coagulated milky latex of the gutta-percha tree
     subtype:  #lacquer.gum  a black resinous substance obtained from certain trees and used as a natural varnish
     subtype:  #opopanax  an odorous gum resin formerly used in medicines
     subtype:  #gum_sangapenum__gumsangapenum__sangapenum  a variety of gum
     subtype:  #tragacanth  a gum used in pharmacy, adhesives, and textile printing
  subtype:  #latex  a milky exudate from certain plants that coagulates on exposure to air
     subtype:  #India_rubber__rubber__gum_elastic__caoutchouc  latex from trees (especially trees of the genera Hevea and Ficus)
        subtype:  #foam_rubber  spongy rubber; made by introducing air bubbles before vulcanization
        subtype:  #crepe_rubber__creperubber  crude natural rubber; used mainly for shoe soles
        subtype:  #synthetic_rubber__syntheticrubber  any of various synthetic materials that resemble rubber
           subtype:  #silicone_rubber  made from silicone elastomers; retains flexibility resilience and tensile strength over a wide temperature range
           subtype:  #neoprene  resistant to oils and aging; used in waterproof products
           subtype:  #Buna  made by polymerizing butadiene
           subtype:  #Butyl  made by polymerizing isobutylene
        subtype:  #cold_rubber  a rubber made at low temperatures (5 degrees Centigrade) which is tougher than conventional rubber and is often used in car tires
        subtype:  #hard_rubber__vulcanite__ebonite  a hard nonresilient rubber formed by vulcanizing natural rubber
        subtype:  #Para_rubber  a type of South American rubber

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