Butane
WordNet
noun
(1) Occurs in natural gas; used in the manufacture of rubber and fuels
WiktionaryText
Etymology
Derived from the same stem as the foul-smelling carboxylic acid liberated in rancid butter, + .
Noun
- A hydrocarbon (either of the two isomers of C4H10 n-butane, and 2-methyl-propane) found in gaseous petroleum fractions.
- The n-butane isomer only.