heterocumulene

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noun

Any compound formally derived from a cumulene by replacing one or more carbon atoms of the cumulative bond system by another atom e.g. O=C=C=C=O

OriginEnglish cumulene ← Ancient Greek ἕτερος (héteros) ← Proto-Hellenic *hə́teros →
Scrabble 21
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Meanings

nounheterocumulene (plural heterocumulenes)

plural heterocumulenes

  1. chemistryAny compound formally derived from a cumulene by replacing one or more carbon atoms of the cumulative bond system by another atom e.g. O=C=C=C=O

Origin

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sḿ̥teros
  3. Proto-Hellenic*hə́teros
  4. Ancient Greekἕτερος (héteros)
  5. Englishhetero-
  6. Englishcumulene
  7. Englishheterocumulene

From hetero- + cumulene.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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