diene

[dahy-een, dahy-een]

noun Chemistry.

any compound, as 1,3-butadiene, CH2=CH−CH=CH2, that contains two double bonds.

Origin of diene

First recorded in 1915–20; di-¹ + -ene

Also called diolefin.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for diene

diene

noun

chem a hydrocarbon that contains two carbon-to-carbon double bonds in its molecules

Word Origin for diene

from di- 1 + -ene

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012