from The American Heritage® Dictionary of the English Language, 4th Edition
- 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A hydrocarbon (either of the two isomers of C4H10 n-butane, and 2-methyl-propane) found in gaseous petroleum fractions.
- n. The n-butane isomer only.
from the GNU version of the Collaborative International Dictionary of English
- n. An inflammable gaseous saturated hydrocarbon, C4H10, of the marsh gas, or paraffin, series.
from The Century Dictionary and Cyclopedia
- n. In chem., the fourth member of the paraffin series of hydrocarbons, C4H10.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. occurs in natural gas; used in the manufacture of rubber and fuels
but(yl) + -ane.(American Heritage® Dictionary of the English Language, Fourth Edition)
Derived from the same stem as the foul-smelling carboxylic acid liberated in rancid butter, butyric acid + -ane. (Wiktionary)