Definition of ylid in English:

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ylid

Pronunciation: /ˈɪlɪd/
(also ylide /ˈɪlʌɪd/)

noun

Chemistry
A compound having an uncharged molecule containing a negatively charged carbon atom directly bonded to a positively charged atom of sulphur, phosphorus, nitrogen, or another element: ammonium ylids
More example sentences
  • This reaction occurs between an ylide and a carbonyl group which ultimately yields the alkene.

Origin

1950s: from -yl + -ide.

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