Definition of ethylidene in English:

ethylidene

(also aethyliden)

noun

Chemistry
  • The divalent hydrocarbon radical  CHCH ₃. Usually attributive or a formative element in chemical names.

Origin

Mid 19th century; earliest use found in Henry Watts (1815–1884), chemist. From (i) German Äthyliden.

Pronunciation

ethylidene

/ɪˈθɪlɪdiːn/ /ɪˈθʌɪlɪdiːn/