isobutane
noun
iso·bu·tane ˌī-sō-ˈbyü-ˌtān 
: a gaseous branched-chain hydrocarbon (CH3)3CH isomeric with normal butane that is used especially as a fuel
Example Sentences
Recent Examples on the Web But don’t worry — those little isobutane canisters for single-burner stoves will still be allowed. 
Sammy Rothstaff Writer, Los Angeles Times, 26 Aug. 2022 Canister stoves might have the market corned on ease of use, but liquid-fuel white gas stoves like the WhisperLite offer the most versatility, especially internationally, where isobutane canisters are less available. Matt Jancer, Wired, 29 Nov. 2021 Canister stoves might have the market corned on ease of use, but liquid-fuel white gas stoves like the WhisperLite offer the most versatility, especially internationally, where isobutane canisters are less available. Matt Jancer, Wired, 29 Nov. 2021 Canister stoves might have the market corned on ease of use, but liquid-fuel white gas stoves like the WhisperLite offer the most versatility, especially internationally, where isobutane canisters are less available. Matt Jancer, Wired, 29 Nov. 2021 Canister stoves might have the market corned on ease of use, but liquid-fuel white gas stoves like the WhisperLite offer the most versatility, especially internationally, where isobutane canisters are less available. Matt Jancer, Wired, 29 Nov. 2021 Canister stoves might have the market corned on ease of use, but liquid-fuel white gas stoves like the WhisperLite offer the most versatility, especially internationally, where isobutane canisters are less available. Matt Jancer, Wired, 29 Nov. 2021 Canister stoves might have the market corned on ease of use, but liquid-fuel white gas stoves like the WhisperLite offer the most versatility, especially internationally, where isobutane canisters are less available. Matt Jancer, Wired, 29 Nov. 2021 Valisure said one possibility is that benzene could come from ingredients such as hydrofluorocarbon 152a, butane, isobutane, propane and alcohol used to propel sprays onto the skin. Sandee Lamotte, CNN, 1 Dec. 2021 See More
Sammy Rothstaff Writer, Los Angeles Times, 26 Aug. 2022 Canister stoves might have the market corned on ease of use, but liquid-fuel white gas stoves like the WhisperLite offer the most versatility, especially internationally, where isobutane canisters are less available. Matt Jancer, Wired, 29 Nov. 2021 Canister stoves might have the market corned on ease of use, but liquid-fuel white gas stoves like the WhisperLite offer the most versatility, especially internationally, where isobutane canisters are less available. Matt Jancer, Wired, 29 Nov. 2021 Canister stoves might have the market corned on ease of use, but liquid-fuel white gas stoves like the WhisperLite offer the most versatility, especially internationally, where isobutane canisters are less available. Matt Jancer, Wired, 29 Nov. 2021 Canister stoves might have the market corned on ease of use, but liquid-fuel white gas stoves like the WhisperLite offer the most versatility, especially internationally, where isobutane canisters are less available. Matt Jancer, Wired, 29 Nov. 2021 Canister stoves might have the market corned on ease of use, but liquid-fuel white gas stoves like the WhisperLite offer the most versatility, especially internationally, where isobutane canisters are less available. Matt Jancer, Wired, 29 Nov. 2021 Canister stoves might have the market corned on ease of use, but liquid-fuel white gas stoves like the WhisperLite offer the most versatility, especially internationally, where isobutane canisters are less available. Matt Jancer, Wired, 29 Nov. 2021 Valisure said one possibility is that benzene could come from ingredients such as hydrofluorocarbon 152a, butane, isobutane, propane and alcohol used to propel sprays onto the skin. Sandee Lamotte, CNN, 1 Dec. 2021 See More Word History
Etymology
International Scientific Vocabulary
First Known Use
1876, in the meaning defined above