isobutane

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Related to E943b: E555, E944

isobutane

(ˌaɪsəˈbjuːteɪn)
n
(Chemistry) chem a colourless gaseous hydrocarbon that is an isomer of butane and which is used as a fuel and a refrigerant. Formula: (CH3)3CH

i•so•bu•tane

(ˌaɪ səˈbyu teɪn, -byuˈteɪn)

n.
a colorless, flammable gas, C4H10, used as a fuel, a refrigerant, and in the manufacture of gasoline by alkylation.
[1875–80]