Nouns denoting substances

actomyosin
a protein complex in muscle fibers; composed of myosin and actin; shortens when stimulated and causes muscle contractions
 
gunite
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
 
sheepskin
skin of a sheep or goat prepared for writing on
 
balas ruby
a pale rose-colored variety of the ruby spinel
 
topsoil
the layer of soil on the surface
 
product
a chemical substance formed as a result of a chemical reaction
 
Yb
a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime
 
pepsin
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
 
rhodochrosite
a mineral consisting of manganese carbonate; a source of manganese
 
conima
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
 
glutelin
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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