pentane
/ˈpenteɪn/noun
mass noun
1- Chemistry a volatile liquid hydrocarbon of the alkane series, present in petroleum spirit【化】戊烷。
1.1
- Chem. formula: C5H12; three isomers, especially the straight-chain isomer (n-pentane).化学分子式： C5H12; 三个异构体, 尤指直链异构体。
词源
late 19th cent.: from Greek pente 'five' (denoting five carbon atoms)+a shortened form of ALKANE.