: an organic compound containing many double bonds
especially : one having the double bonds in a long aliphatic hydrocarbon chain

Examples of polyene in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Some are resistant to all three main classes of antifungal drugs used to treat Candida infections, azoles, echinocandins, and polyenes. — Beth Mole, Ars Technica, 16 Aug. 2017

Word History

Etymology

poly- + -ene

First Known Use

1928, in the meaning defined above

Time Traveler
The first known use of polyene was in 1928

Browse Nearby Words

Cite this Entry

“Polyene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyene. Accessed 27 Sep. 2026.

Medical Definition

: an organic compound containing many double bonds
especially : one having the double bonds in a long aliphatic hydrocarbon chain

More from Merriam-Webster on polyene

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!