• synonyms


  1. Also butene. any of three isomeric, gaseous hydrocarbons having the formula C4H8, of the alkene series.
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  1. containing the butylene group.
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Origin of butylene

First recorded in 1875–80; butyl + -ene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for butylene

Historical Examples of butylene

  • It has been found that butylene oxide is significantly less toxic than 15 either of the two commonly used oxides.

    U.S. Patent 4,293,314: Gelled Fuel-Air Explosive

    Bertram O. Stull

British Dictionary definitions for butylene


  1. another name for butene
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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

butylene in Science


  1. 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.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.