polyene

American  

[pol-ee-een] / ˈpɒl iˌin /

noun

Chemistry.

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

---

polyene British  

/ ˈpɒlɪˌiːn /

noun

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

---

polyene Scientific  

/ 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.

---

Etymology

Origin of polyene

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

Example Sentences

They detected pigments in the fossilised shells that belong to the polyene group of chemicals.

From Science Daily

It is so challenging that a new class of antifungals reaches the market only every 20 years or so: the polyene class, including amphotericin B, in the 1950s; the azoles in the 1980s; and the echinocandin drugs, the newest remedy, beginning in 2001.

From Scientific American