acid vs chemical science

acid and chemical science both are nouns.

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

acid (noun)	chemical science (noun)
street name for lysergic acid diethylamide	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt

acid (adjective)	chemical science (adjective)
having the characteristics of an acid
being sour to the taste
harsh or corrosive in tone