Definition of polyene in English:

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Pronunciation: /ˈpälēˌēn/


A hydrocarbon with several carbon-carbon double bonds, especially one having a chain of alternating single and double bonds.
Example sentences
  • As the chromophore is a polyene, there are several double bonds capable of isomerization.
  • In nonpolar polyenes the lowest-lying funnel corresponds to a 3 kink with both double and adjacent single bonds twisted, which may initiate hula-twist isomerization.
  • They have anchored bimetallic catalysts, such as a ruthenium-tin catalyst, to the insides of such molecular sieves and have found that they can selectively hydrogenate cyclic polyenes.

For editors and proofreaders

Syllabification: pol·y·ene

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