cycloolefin

[ sahy-kloh-oh-luh-fin, sik-loh- ]

noun

, Chemistry.

1. any of the homologous series of unsaturated, alicyclic hydrocarbons, as cyclooctatetraene and cyclopentadiene, containing one double bond in the ring and having the general formula C 11 H 2n−2 .

Word History and Origins

Origin of cycloolefin¹

First recorded in 1920–25; cyclo- + olefin