chemical science vs decarboxylate

chemical science is a noun but decarboxylate is not a noun.

Word	Noun	Adjective	Verb	Adverb
chemical science	Yes	No	No	No
decarboxylate	No	No	Yes	No

chemical science (noun)	decarboxylate (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions

chemical science (verb)	decarboxylate (verb)
	lose a carboxyl group
	remove a carboxyl group from (a chemical compound)