Nouns denoting substances

reagent

a chemical agent for use in chemical reactions

 

sheepskin

tanned skin of a sheep with the fleece left on; used for clothing

 

acetin

any of three liquid acetates that are formed when acetic acid and glycerin are heated together

 

monazite

a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium

 

stripper

a chemical compound used to remove paint or varnish

 

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)

 

cow manure

cow excreta used as fertilizer

 

factor XIII

in the clotting of blood thrombin catalyzes factor XIII into its active form (fibrinase) which causes fibrin to form a stable clot

 

flavone

a colorless crystalline compound that is part of a number of white or yellow plant pigments

 

ferritin

a protein containing 20% iron that is found in the intestines and liver and spleen; it is one of the chief forms in which iron is stored in the body

 

pentlandite

a mineral (iron and nickel sulphide) that is the chief ore of nickel

 

notepad

a pad of paper for keeping notes

 

rag paper

paper made partly or wholly from rags

 

inorganic compound

any compound that does not contain carbon

 

spice

aromatic substances of vegetable origin used as a preservative

 

imidazole

an organic base C3H4N2; a histamine inhibitor

 

pyrene

a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar

 

Ni-hard iron

cast iron to which nickel has been added to make it resist abrasion

 

crucible steel

steel made by the mixture of molten wrought iron, charcoal, and other substances in a crucible

 

chalkstone

a deposit of urates around a joint or in the external ear; diagnostic of advanced or chronic gout