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Syllabification: al·kyne
Pronunciation: /ˈalkīn

Definition of alkyne in English:


Any of the series of unsaturated hydrocarbons containing a triple bond, including acetylene.
Example sentences
  • Alkanes (sometimes called paraffins) have only single bonds, while alkenes (sometimes called olefins) have a carbon-carbon double bond, and alkynes have a carbon-carbon triple bond.
  • Originally the alkynes were called the acetylenes.
  • The alkyne functional group is the carbon-carbon triple bond.


early 20th century: from alkyl + -yne.

Definition of alkyne in:

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