Nouns denoting substances

(geology) a mass of fine-grained rock in which fossils, crystals, or gems are embedded
a polymer of propylene used as a thermoplastic molding material
(pathology) a waxy translucent complex protein resembling starch that results from degeneration of tissue
any substance characterized by its great flammability
a salt of tungstic acid
recombinant protein
a protein derived from recombinant DNA
bog soil
poorly drained soils on top of peat and under marsh or swamp vegetation
wood that is floating or that has been washed ashore
a mixture of wet clay and sand that can be used to line a pond and that is impervious to water when dry
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
a compound formed from one or more other compounds in a reaction resulting in removal of water
distilled water
water that has been purified by distillation
marking ink
an indelible ink for marking clothes or linens etc.
calcium nitrate
a deliquescent salt that is soluble in water; sometimes used as a source of nitrogen in fertilizers
a mica containing iron and lithium
invert sugar
a mixture of equal parts of glucose and fructose resulting from the hydrolysis of sucrose; found naturally in fruits; sweeter than glucose
a hard heavy dark mineral that is the chief source of tin
insoluble pigments that account for the color of e.g. skin and scales and feathers
sodium carbonate
a sodium salt of carbonic acid; used in making soap powders and glass and paper
heavy spar
a white or colorless mineral (BaSO4); the main source of barium
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