| 释义 |
oc·tane
\ˈäkˌtān sometimes ̷ ̷ˈ ̷ ̷\ noun
(-s)
Etymology: International Scientific Vocabulary octa- + -ane
1. : any of several isomeric liquid paraffin hydrocarbons C8H18: as
a. : the normal hydrocarbon CH3(CH2)6CH3 found in petroleum
b. : isooctane b
2. : octane number
< 100-octane gasoline >
3. : motor fuel as rated by octane number
< octane-propelled vehicles >
< 100-octane cracking plants > |