Definition of ylid in English:

ylid

(also ylide)

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’
    • ‘This reaction occurs between an ylide and a carbonyl group which ultimately yields the alkene.’

Origin

1950s: from -yl + -ide.

Pronunciation:

ylid

/ˈɪlɪd/