ylide

Y4L1I1D2E1
/ˈɪlaɪd//ˈɪlɪd/

noun

Any organic compound in which two adjacent atoms are connected by both a covalent and an ionic bond; normally written X⁺–Y⁻

Scrabble 9
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Meanings

nounylide (plural ylides)

plural ylides

  1. chemistryAny organic compound in which two adjacent atoms are connected by both a covalent and an ionic bond; normally written X⁺–Y⁻

Origin

From the resonance structure between the covalent form (-yl, where the carbanion exists as a methylidenyl group) and the ionic form (-ide, as in methanide).

Full word history & related roots →

Translations

Finnish ylidi
  • yliditype of organic compound
French ylure
  • yluretype of organic compound
Polish ylid
  • ylidtype of organic compound
Spanish iluro
  • ilurotype of organic compound

Rhymes & wordplay

Anagrams

yieldLeidy
Cite this entry
APA

ylide. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/ylide

MLA

“ylide.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ylide. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “ylide,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/ylide.

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