chemical science vs cyclic

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

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

chemical science (noun)	cyclic (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)	cyclic (adjective)
	recurring in cycles
	of a compound having atoms arranged in a ring structure
	forming a whorl or having parts arranged in a whorl
	conforming to the Carnot cycle
	marked by repeated cycles