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
 
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