Nouns denoting substances
- secretase
- 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)
- tetrachloride
- 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
- androsterone
- an androgenic hormone that is less active than testosterone
- saponin
- any of various plant glucosides that form soapy lathers when mixed and agitated with water; used in detergents and foaming agents and emulsifiers
- furane
- 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
- cuprite
- 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
- latakia
- aromatic Turkish tobacco
- morganite
- a kind of pink beryl used as a gemstone
- glutamate
- a salt or ester of glutamic acid
- fish meal
- ground dried fish used as fertilizer and as feed for domestic livestock
- bran
- broken husks of the seeds of cereal grains that are separated from the flour by sifting
- isocyanate
- a salt or ester of isocyanic acid
- tungstic acid
- an oxyacid of tungsten (often polymeric in nature) formed by neutralizing alkaline tungstate solutions
- cassava
- a starch made by leaching and drying the root of the cassava plant; the source of tapioca; a staple food in the tropics
- cryogen
- a liquid that boils at below -160 C and is used as a refrigerant