: 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
Recent Examples on the Web
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
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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 8 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)
Love words? Need even more definitions?
Merriam-Webster unabridged
Share