chemical science vs absorption

chemical science and absorption both are nouns.

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

chemical science (noun)	absorption (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	the mental state of being preoccupied by something
	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