Nouns denoting substances

a set of enzymes believed to snip pieces off a longer protein producing fragments of amyloid protein that bunch up and create amyloid protein plaques in brain tissue (the pathological hallmark of Alzheimer's)
any compound that contains four chlorine atoms per molecule
congo gum
copal found usually as a fossil
misch metal
a pyrophoric alloy made from a mixture of rare-earth metals
an androgenic hormone that is less active than testosterone
any of various plant glucosides that form soapy lathers when mixed and agitated with water; used in detergents and foaming agents and emulsifiers
a colorless toxic flammable liquid used in the synthesis of nylon
water sapphire
a deep blue cordierite often used as a gemstone
paraffin oil
(British usage) kerosine
a mineral consisting of cuprous oxide that is a source of copper
Rh factor
a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia
aromatic Turkish tobacco
a kind of pink beryl used as a gemstone
a salt or ester of glutamic acid
fish meal
ground dried fish used as fertilizer and as feed for domestic livestock
broken husks of the seeds of cereal grains that are separated from the flour by sifting
a salt or ester of isocyanic acid
tungstic acid
an oxyacid of tungsten (often polymeric in nature) formed by neutralizing alkaline tungstate solutions
a starch made by leaching and drying the root of the cassava plant; the source of tapioca; a staple food in the tropics
a liquid that boils at below -160 C and is used as a refrigerant
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