- a hydrocarbon containing two or more double bonds, often conjugated.
Origin of polyene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a chemical compound containing a chain of alternating single and double carbon-carbon bonds
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
- An organic compound containing at least four carbon atoms and at least two double bonds. Numerous naturally occurring plant pigments, such as carotenes, are polyenes.
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