alkylidene

noun

al·​kyl·​i·​dene

alˈkiləˌdēn

plural -s

: a bivalent aliphatic radical (such as ethylidene) derived from an alkane by removal of two hydrogen atoms from the same carbon atom

Word History

Etymology

International Scientific Vocabulary alkyl + -idene

First Known Use

1900, in the meaning defined above

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