: any of numerous unsaturated hydrocarbons having one double bond
specifically
: any of a series of open-chain hydrocarbons CnH2n (such as ethylene)
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“Alkene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alkene. Accessed 29 Nov. 2024.
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alkene
noun
al·kene
ˈal-ˌkēn 
: any of numerous unsaturated hydrocarbons having one double bond
specifically
: any of a series of aliphatic hydrocarbons CnH2n (as ethylene)
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