[ byoo-teyn, byoo-teyn ]
/ ˈbyu teɪn, byuˈteɪn /

noun Chemistry.

a colorless, flammable gas, C4H10, a saturated aliphatic existing in two isometric forms: used chiefly in the manufacture of rubber and as fuel.

Origin of butane

First recorded in 1870–75; but(yl) + -ane
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for butane

British Dictionary definitions for butane


/ (ˈbjuːteɪn, bjuːˈteɪn) /


a colourless flammable gaseous alkane that exists in two isomeric forms, both of which occur in natural gas. The stable isomer, n -butane, is used mainly in the manufacture of rubber and fuels (such as Calor Gas). Formula: C 4 H 10

Word Origin for butane

C19: from but (yl) + -ane
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

Medicine definitions for butane


[ byōōtān′ ]


Either of two isomers of a gaseous hydrocarbon produced synthetically from petroleum and used as a refrigerant, as a aerosol propellant, and in the manufacture of synthetic rubber.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for butane


[ byōōtān′ ]

An organic compound found in natural gas and produced from petroleum. Butane is used as a household fuel, refrigerant, and propellant in aerosol cans. It is the fourth member of the alkane series. Chemical formula: C4H10.

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