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alkene

[ al-keen ]

noun

, Chemistry.
  1. any member of the alkene series.


alkene

/ ˈælkiːn /

noun

    1. Also calledolefineolefin any unsaturated aliphatic hydrocarbon with the general formula C n H 2n
    2. Also calledolefine ( as modifier )

      alkene series

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


alkene

/ ălkēn′ /

  1. Any of a group of unsaturated hydrocarbons that have carbon atoms in chains linked by one or more double bonds and that have the general formula C n H 2n . Lighter alkenes, such as ethylene, are derived from petroleum by cracking.
  2. Also called olefin
  3. ◆ The group of alkenes as a whole is called the alkene series or the ethylene series. Its first five members are ethylene (or ethene), propylene (or propene), butylene (or butene), pentene, and hexene.


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Word History and Origins

Origin of alkene1

First recorded in 1895–1900; alk(yl) + -ene

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