pol·y·ene (p l  -n )n. An organic compound containing many double bonds. |
polyene [ˈpɒlɪˌiːn]
n
(Chemistry / Elements & Compounds) a chemical compound containing a chain of alternating single and double carbon-carbon bonds
| polyene (pl-n) 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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