diacetyl

D2I1A1C3E1T1Y4L1

noun

Two acetyl groups in a compound

Similar
butanedione
OriginEnglish acetyl ← Ancient Greek ῡ̔́λη (hū́lē) ← Proto-Indo-European *swel-der.? →
UncommonScrabble 14
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Meanings

noundiacetyl (uncountable)
  1. in compoundsuncountablechemistryTwo acetyl groups in a compound
  2. uncountablechemistrySynonym of butanedione.

    Synonyms: butanedione

Synonyms & antonyms

nounSynonym of butanedione.

Similar
butanedione
Also see
butanedione

Origin

  1. Proto-Indo-European*dwóh₁
  2. Proto-Indo-European*dwi-
  3. Proto-Hellenic*dwi-
  4. Ancient Greekδῐ- (dĭ-)
  5. Latindi-
  6. Englishdi-
  7. Proto-Indo-European*h₂eḱ-
  8. Proto-Indo-European*h₂eḱéh₁yeti
  9. Proto-Italic*akēō
  10. Latinaceō
  11. Latinacēscō
  12. Latinacētum
  13. Englishaceto-
  14. Englishacet-
  15. Proto-Indo-European*swel-der.?
  16. Ancient Greekῡ̔́λη (hū́lē)
  17. Englishacetyl
  18. Englishdiacetyl

From di- + acetyl.

Full word history & related roots →
Cite this entry
APA

diacetyl. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/diacetyl

MLA

“diacetyl.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/diacetyl. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “diacetyl,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/diacetyl.

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