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

Origin:

1950s: from -yl + -ide