polyene

[ pol-ee-een ]
/ ˈpɒl iˌin /

noun Chemistry.

a hydrocarbon containing two or more double bonds, often conjugated.

Nearby words

  1. polydrug,
  2. polydysplasia,
  3. polyelectrolyte,
  4. polyembryony,
  5. polyendocrine deficiency syndrome,
  6. polyenoic acid,
  7. polyergic,
  8. polyester,
  9. polyesthesia,
  10. polyestrous

Origin of polyene

First recorded in 1925–30; poly- + -ene

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for polyene

polyene

/ (ˈpɒlɪˌiːn) /

noun

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

Science definitions for polyene

polyene

[ pŏlē-ēn′ ]

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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.