chemical science vs saturated

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

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

chemical science (noun)	saturated (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions

chemical science (adjective)	saturated (adjective)
	used especially of organic compounds; having all available valence bonds filled
	being the most concentrated solution possible at a given temperature; unable to dissolve still more of a substance
	(of color) being chromatically pure; not diluted with white or grey or black