Nouns denoting substances

a protein complex in muscle fibers; composed of myosin and actin; shortens when stimulated and causes muscle contractions
a mixture of cement and sand and water that is sprayed on a surface under pneumatic pressure
plant substance
material derived from plants
ivory black
a black pigment made from grinding burnt ivory in oil
skin of a sheep or goat prepared for writing on
balas ruby
a pale rose-colored variety of the ruby spinel
the layer of soil on the surface
a chemical substance formed as a result of a chemical reaction
a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime
an enzyme produced in the stomach that splits proteins into peptones
cholic acid
an insoluble crystalline acid present in bile
vitamin A1
an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene
a mineral consisting of manganese carbonate; a source of manganese
a gum resin from the poison hemlock, Conium maculatum
silver chloride
a chloride used chiefly in the manufacture of photographic emulsions
calcium phosphate
a phosphate of calcium; a main constituent of animal bones
hudson seal
muskrat fur dressed to simulate sealskin
a simple protein found in the seeds of cereals
phosphorous acid
a clear or yellow monobasic acid (H3PO2)
chelate compound
a heterocyclic compound having a metal ion attached by coordinate bonds to at least two nonmetal ions
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