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Meaning of “alkene” in the English Dictionary

"alkene" in British English

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alkenenoun [C]

uk   /ˈæl.kiːn/  us   /ˈæl.kiːn/ specialized
any gas in a group that contains carbon and hydrogen atoms, with the carbon atoms joined together in a double bond: Ethene and propene are alkenes.
(Definition of alkene from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"alkene" in American English

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alkenenoun [C]

 /ˈælˌkin/
chemistry any of a group of substances that contain only the elements carbon and hydrogen, which are held together by a chemical bond in which two atoms share two pairs of electrons
(Definition of alkene from the Cambridge Academic Content Dictionary © Cambridge University Press)
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