Nouns denoting substances

ambergris
waxy substance secreted by the sperm whale and found floating at sea or washed ashore; used in perfume
 
silex
a pure form of finely ground silica
 
laetrile
a substance derived from amygdalin; publicized as an antineoplastic drug although there is no supporting evidence
 
vanadium pentoxide
any of various oxyacids of vanadium; known mostly in the form of its salts
 
beta-naphthol
an isomer of naphthol used in rubber as an antioxidant
 
vanadinite
a mineral consisting of chloride and vanadate of lead; a source of vanadium
 
cofactor
a substance (as a coenzyme) that must join with another to produce a given result
 
bone oil
the liquid portion of bone fat; used as a lubricant and in leather manufacture
 
puke
the matter ejected in vomiting
 
strontianite
a mineral consisting of strontium carbonate
 
organophosphate nerve agent
any of a series of nerve agents containing organophosphate compounds first synthesized by German chemists in 1936; in World War II the Germans tested them in concentration camps but not on the battlefield; Iraq is alleged to have used them against Iran and against the Kurds
 
benzoyl radical
the univalent radical derived from benzoic acid
 
cardboard
a stiff moderately thick paper
 
alkene
any unsaturated aliphatic hydrocarbon
 
sepia
rich brown pigment prepared from the ink of cuttlefishes
 
alicyclic compound
an aliphatic compound that contains a ring of atoms
 
cinnabar
a heavy reddish mineral consisting of mercuric sulfide; the chief source of mercury
 
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
 
paste
any mixture of a soft and malleable consistency
 
catechin
a tannic acid that is extracted from black catechu as a white crystalline substance
 
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