Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

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).

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