clathrate vs chemical science

clathrate is not a noun while chemical science is a noun.

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

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

clathrate (adjective)	chemical science (adjective)
designating or relating to a compound in which one component is physically enclosed within the crystal structure of another
having a latticelike structure pierced with holes or windows