octane
[ ok-teyn ]
/ ˈɒk teɪn /
noun Chemistry.
any of 18 isomeric saturated hydrocarbons having the formula C8H18, some of which are obtained in the distillation and cracking of petroleum.
Words nearby octane
octamer,
octamerous,
octameter,
octan,
octandrious,
octane,
octane number,
octanedioic acid,
octangle,
octangular,
octanoic acid
Example sentences from the Web for octane
Less than 10 years later octane ratings had increased to over 100, putting the diesel at a further disadvantage.
The First Airplane Diesel Engine: Packard Model DR-980 of 1928 |Robert B. Meyer
British Dictionary definitions for octane
octane
/ (ˈɒkteɪn) /
noun
a liquid alkane hydrocarbon found in petroleum and existing in 18 isomeric forms, esp the isomer n -octane. Formula: C 8 H 18
See also isooctane
Scientific definitions for octane
octane
[ ŏk′tān′ ]
Any of several hydrocarbons having eight carbon atoms connected by single bonds. It is commonly added to gasoline to prevent knocking from uneven burning of fuel in internal-combustion engines. Octane is the eighth member of the alkane series. Chemical formula: C8H18.