The meaning of OCTANE is any of several isomeric liquid alkanes C8H18. How to use octane in a sentence.

Under standard temperature and pressure, octane is an odorless, colorless liquid. Like other short-chained alkanes with a low molecular weight, it is volatile, flammable, and toxic.

/ ˈɑk·teɪn / Add to word list a chemical substance in gasoline (= liquid fuel) which is used as a measure of its quality (Definition of octane from the Cambridge Academic Content Dictionary …

Feb 21, 2024 · It's a hydrocarbon molecule that gives gasoline the ability to resist detonating prematurely in the engine, which causes engine knocking or pinging during combustion. An …

Nov 17, 2022 · Octane ratings are measures of fuel stability. These ratings are based on the pressure at which a fuel will spontaneously combust (auto-ignite) in a testing engine.

OCTANE definition: any of 18 isomeric saturated hydrocarbons having the formula C 8 H 1 8 , some of which are obtained in the distillation and cracking of petroleum. See examples of …

a liquid alkane hydrocarbon found in petroleum and existing in 18 isomeric forms, esp the isomer n -octane. Formula: C 8 H 18