chemical science vs absorb

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

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

chemical science (noun)	absorb (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)	absorb (verb)
	cause to become one with
	take up mentally
	consume all of one's attention or time
	devote (oneself) fully to
	take in, also metaphorically
	become imbued
	assimilate or take in
	take up, as of debts or payments
	suck or take up or in