biological science vs compressed

biological science is a noun but compressed is not a noun.

Word	Noun	Adjective	Verb	Adverb
biological science	Yes	No	No	No
compressed	No	Yes	No	No

biological science (noun)	compressed (noun)
the science that studies living organisms

biological science (adjective)	compressed (adjective)
	pressed tightly together
	reduced in volume by pressure
	flattened laterally along the whole length (e.g., certain leafstalks or flatfishes)