Definition of "diene" []

• An organic compound, especially a hydrocarbon, containing two double bonds. (noun)

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• "The first syllable of diene is the Greek word for "two", and refers to the two double bonds."
• "In case there is some confusion, a diene is a molecule with two double bonds."
• "Cologne "for their discovery and development of the diene synthesis", also called the Diels-Alder reaction."