perchloromethane vs solvent

perchloromethane and solvent both are nouns.

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

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

perchloromethane: a colorless nonflammable liquid used as a solvent for fats and oils; because of its toxicity its use as a cleaning fluid or fire extinguisher has declined
solvent: a liquid substance capable of dissolving other substances

Other hypernyms of perchloromethane include dissolvent, dissolver, dissolving agent, resolvent, tetrachloride.

perchloromethane (noun)	solvent (noun)
a colorless nonflammable liquid used as a solvent for fats and oils; because of its toxicity its use as a cleaning fluid or fire extinguisher has declined	a statement that solves a problem or explains how to solve the problem
	a liquid substance capable of dissolving other substances

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