[ byoot-l-een ]
/ ˈbyut lˌin /


Also butene. any of three isomeric, gaseous hydrocarbons having the formula C4H8, of the alkene series.


containing the butylene group.

Origin of butylene

First recorded in 1875–80; butyl + -ene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for butylene

British Dictionary definitions for butylene

/ (ˈbjuːtɪˌliːn) /


another name for butene
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

Scientific definitions for butylene

[ byōōtl-ēn′ ]

Any of three gaseous hydrocarbons that consist of four carbon atoms in a chain with a double bond between two of the carbons. They are part of the alkene series. Butylenes are used to make synthetic rubber. Chemical formula: C4H8.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.