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