ethylidene

noun
ethyl·​i·​dene | \ e-ˈthil-ə-ˌdēn How to pronounce ethylidene (audio) , ˈeth-əl- How to pronounce ethylidene (audio) \

Medical Definition of ethylidene

: a bivalent hydrocarbon radical >CHCH3 isomeric with ethylene

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