absorption vs chemical science

absorption and chemical science both are nouns.

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

absorption (noun)	chemical science (noun)
the mental state of being preoccupied by something	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
complete attention; intense mental effort
(chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid
the process of absorbing nutrients into the body after digestion
(physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium
the social process of absorbing one cultural group into harmony with another