Definition of isobutane
: a gaseous branched-chain hydrocarbon (CH3)3CH isomeric with normal butane that is used especially as a fuel
Recent Examples of isobutane from the Web
As the operator turned the valve stem, portions of the valve fell out, releasing isobutane, according to the Exxon letter, which was ignited by a welding machine 70 feet away.
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Origin and Etymology of isobutane
International Scientific Vocabulary
First Known Use: 1876See Words from the same year
Learn More about isobutane
Britannica.com: Encyclopedia article about isobutane
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