Definition of isobutane in English:


Syllabification: i·so·bu·tane
Pronunciation: /ˌīsəˈbyo͞otān, -byo͞oˈtān


  • A gaseous hydrocarbon isomeric with butane.
    • Chemical formula: CH3CH(CH3)2
    More example sentences
    • And so, Kelley knew just what to do as 128.3 tons of vaporized poisons - including sulfur dioxide, hexane, carbon monoxide, isobutane - began sifting earthward.
    • The end result is the addition of isobutane to isobutylene to form isooctane, the molecule that is the basis of octane ratings seen at the gas pumps.
    • Residents are exposed to photochemical smog, airborne particles, and alkane hydrocarbons (e.g., propane, isobutane, n-butane).

More definitions of isobutane

Definition of isobutane in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day milord
Pronunciation: mɪˈlɔːd
used to address an English nobleman