isooctane
/ˌaɪsəʊˈɒkteɪn/noun
mass noun
1- Chemistry a liquid hydrocarbon present in petroleum. It serves as a standard in the system of octane numbers【化】异辛烷。
1.1
- Chem. formula: (CH3)3CCH2CH(CH3)CH3化学分子式：(CH3)3CCH2CH(CH3)CH3.