Either of two isomers of a gaseous hydrocarbon, C4 H10 , produced synthetically from petroleum and used as a household fuel, refrigerant, and aerosol propellant and in the manufacture of synthetic rubber.
Either of two alkanes (normal butane and isobutane) having the same formula, C4H10, but different structures and used esp. as a fuel.
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.
(organic chemistry, uncountable) The n-butane isomer only.