polyene

[ pol-ee-een ]

noun

, Chemistry.

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

polyene

/ ˈpɒlɪˌiːn /

noun

1. a chemical compound containing a chain of alternating single and double carbon-carbon bonds

polyene

/ pŏl′ē-ēn′ /

1. 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.

Word History and Origins

Origin of polyene¹

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