unsaturated vs polyunsaturated

unsaturated and polyunsaturated both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unsaturated	No	Yes	No	No
polyunsaturated	No	Yes	No	No

unsaturated (adjective)	polyunsaturated (adjective)
used of a compound (especially of carbon) containing atoms sharing more than one valence bond	(of long-chain carbon compounds especially fats) having many unsaturated bonds
not saturated; capable of dissolving more of a substance at a given temperature
(of color) not chromatically pure; diluted