vi·​nyl·​i·​dene | \ vī-ˈni-lə-ˌdēn How to pronounce vinylidene (audio) \

Definition of vinylidene

: a divalent radical CH2=C derived from ethylene by removal of two hydrogen atoms from one carbon atom

Examples of vinylidene in a Sentence

Recent Examples on the Web The company, which acquired several area properties from Dow Chemical in 2015, previously announced plans to close its chlor alkali and vinylidene chloride plants in Freeport in 2020 to cut costs. Katherine Feser, Houston Chronicle, 12 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vinylidene.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of vinylidene

1898, in the meaning defined above

History and Etymology for vinylidene

International Scientific Vocabulary vinyl + -ide + -ene

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Time Traveler for vinylidene

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The first known use of vinylidene was in 1898

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Dictionary Entries Near vinylidene

vinyl formal


vinylidene chloride

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Statistics for vinylidene

Cite this Entry

“Vinylidene.” Dictionary, Merriam-Webster, Accessed 17 Oct. 2021.

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