universal solvent vs solvent

universal solvent and solvent both are nouns.

Word	Noun	Adjective	Verb	Adverb
universal solvent	Yes	No	No	No
solvent	Yes	Yes	No	No

As nouns, solvent is a hypernym of universal solvent; that is, solvent is a word with a broader meaning than universal solvent:

Other hypernyms of universal solvent include dissolvent, dissolver, dissolving agent, resolvent.

universal solvent (noun)	solvent (noun)
hypothetical universal solvent once sought by alchemists	a statement that solves a problem or explains how to solve the problem
	a liquid substance capable of dissolving other substances

universal solvent (adjective)	solvent (adjective)
	capable of meeting financial obligations