reversible vs chemical science

reversible and chemical science both are nouns.

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

reversible (noun)	chemical science (noun)
a garment (especially a coat) that can be worn inside out (with either side of the cloth showing)	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions

reversible (adjective)	chemical science (adjective)
capable of reversing or being reversed
capable of being reversed or used with either side out
capable of assuming or producing either of two states
capable of being reversed