Definition of diene in English:

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Pronunciation: /ˈdīēn/


An unsaturated hydrocarbon containing two double bonds between carbon atoms.
Example sentences
  • They had reacted a conjugated diene with a simple alkene to generate a cycloalkane.
  • The formation of conjugated dienes occurs when free radicals attack the hydrogens of methylene groups separating double bonds and leading to a rearrangement of the bonds.
  • They found that the lead catalyst was effective in reacting the well known Si-containing reagent Danishefsky's diene with various aldehydes to produce dihydropyrone hetero-cycles.


Early 20th century: from di-1 'two' + -ene.

For editors and proofreaders

Syllabification: di·ene

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