- polyunsaturated (adj.)
[polyunsaturated 词源字典]
- 1921, from poly- + unsaturated.[polyunsaturated etymology, polyunsaturated origin, 英语词源]
- supersaturated (adj.)
- 1778, past participle adjective from verb supersaturate (1756), from super- + saturate (v.).
- unsaturated (adj.)
- 1756, from un- (1) "not" + past participle of saturate (v.).