polyunsaturated

P3O1L1Y4U1N1S1A1T1U1R1A1T1E1D2

adjective

Of or relating to long chain organic compounds that have multiple double bonds; polyunsaturated fatty acids are essential to human nutrition.

Similar
unsaturated
OriginEnglish unsaturated ← Middle English un- ← Old English un- →
Less commonScrabble 21
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Meanings

adjectivepolyunsaturated (not comparable)
  1. not comparablechemistryOf or relating to long chain organic compounds that have multiple double bonds; polyunsaturated fatty acids are essential to human nutrition.
  2. not comparablenutritionHaving a chemical structure that does not easily change into cholesterol (a substance containing a lot of fat thought to be an important cause of heart disease).

Synonyms & antonyms

adjective(of long-chain carbon compounds especially fats) having many unsaturated bonds

Similar
unsaturated
Also see
unsaturated

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*pleh₁-
  2. Proto-Indo-European*polh₁ús
  3. Ancient Greekπολῠ́ς (polŭ́s)
  4. Englishpoly-
  5. Proto-Indo-European*né
  6. Proto-Indo-European*n̥-
  7. Proto-Germanic*un-
  8. Proto-West Germanic*un-
  9. Old Englishun-
  10. Middle Englishun-
  11. Englishun-
  12. Englishsaturated
  13. Englishunsaturated
  14. Englishpolyunsaturated

From poly- + unsaturated.

Full word history & related roots →

Translations

Catalan poliinsaturat
  • poliinsaturatrelating to long chain organic compounds
Chinese Mandarin 多不飽和 /多不饱和
  • 多不飽和 /多不饱和 (duōbùbǎohé)relating to long chain organic compounds
Danish flerumættet
  • flerumættetrelating to long chain organic compounds
Finnish monityydyttymätön
  • monityydyttymätönrelating to long chain organic compounds
Irish polai-neamhsháithithe, il-neamhsháithithe
  • polai-neamhsháithitherelating to long chain organic compounds
  • il-neamhsháithitherelating to long chain organic compounds
Norwegian Bokmål flerumettet
  • flerumettetrelating to long chain organic compounds
Swedish fleromättad
  • fleromättadrelating to long chain organic compounds
Welsh amlannirlawn
  • amlannirlawnrelating to long chain organic compounds
Yiddish סך־⁠אומגעזעטיקט
  • סך־⁠אומגעזעטיקטrelating to long chain organic compounds
Cite this entry
APA

polyunsaturated. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/polyunsaturated

MLA

“polyunsaturated.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/polyunsaturated. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “polyunsaturated,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/polyunsaturated.

Source: polyunsaturated on Wiktionary, CC BY-SA 4.0.