atomic weight vs chemistry

atomic weight and chemistry both are nouns.

Word	Noun	Adjective	Verb	Adverb
atomic weight	Yes	No	No	No
chemistry	Yes	No	No	No

atomic weight (noun)	chemistry (noun)
(chemistry) the mass of an atom of a chemical element expressed in atomic mass units	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
	the way two individuals relate to each other
	the chemical composition and properties of a substance or object