bu·tane   Pronunciation Key  (bytn)
n.
Either of two isomers of a gaseous hydrocarbon, C4H10, produced synthetically from petroleum and used as a household fuel, refrigerant, and aerosol propellant and in the manufacture of synthetic rubber.

[but(yl) + -ane.]
 
Source: The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2000 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.


butane

\Bu"tane\, n. [L. butyrum butter. See Butter.] (Chem.) An flammable gaseous hydrocarbon, C4H10, of the marsh gas, or paraffin, series.
Source: Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.


butane

n : occurs in natural gas; used in the manufacture of rubber and fuels
Source: WordNet ® 1.6, © 1997 Princeton University