Nouns denoting substances

vesicant
a chemical agent that causes blistering (especially mustard gas)
 
pulverization
a solid substance in the form of tiny loose particles; a solid that has been pulverized
 
Perspex
a transparent thermoplastic acrylic resin
 
gibberellin
a plant hormone isolated from a fungus; used in promoting plant growth
 
flaxseed
the seed of flax used as a source of oil
 
limewater
solution of calcium hydroxide in water used as an antacid
 
nitrogen mustard
a toxic compound resembling mustard gas in structure; important in cancer treatment
 
potash
a potassium compound often used in agriculture and industry
 
Bi
a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals
 
vegetable tallow
a waxy fat obtained from certain plants (e.g. bayberry) and used as tallow
 
menstruum
(archaic) a solvent
 
residue
matter that remains after something has been removed
 
cat's eye
any of various gems (as chrysoberyl or chalcedony) that reflect light when cut in a rounded shape
 
wire wool
a mass of woven steel fibers used as an abrasive
 
drawing paper
paper that is specially prepared for use in drafting
 
nitrogenase
an enzyme of nitrogen-fixing microorganisms that catalyzes the conversion of nitrogen to ammonia
 
heavy hydrogen
an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
 
igneous rock
rock formed by the solidification of molten magma
 
ebonite
a hard nonresilient rubber formed by vulcanizing natural rubber
 
sparkle metal
matte that has 74 percent copper
 
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