: any of numerous unsaturated hydrocarbons having one double bond
specifically
: any of a series of open-chain hydrocarbons CnH2n (such as ethylene)
Examples of alkene in a Sentence
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Since the rare earth element is located between two nitrogen atoms in a straight line, held in place with an alkene bonded to Dysprosium, the molecule's magnetic performance is significantly better than other SMM.
—
Abhimanyu Ghoshal, New Atlas, 27 June 2025
Soft magnetic hysteresis in a dysprosium amide—alkene complex up to 100 kelvin.
—Ian Randall, MSNBC Newsweek, 25 June 2025
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Abhimanyu Ghoshal, New Atlas, 27 June 2025
Soft magnetic hysteresis in a dysprosium amide—alkene complex up to 100 kelvin.
—Ian Randall, MSNBC Newsweek, 25 June 2025
Cite this Entry
“Alkene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alkene. Accessed 18 Jul. 2025.
Copy CitationMedical Definition
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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