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.

octane number.

Origin of octane

First recorded in 1870–75; oct- + -ane

Words nearby octane

octamer, octamerous, octameter, octan, octandrious, octane, octanedioic acid, octane number, octangle, octangular, octanoic acid

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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 18See also isooctane

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

单词	octane
释义	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. octane number. Origin of octane First recorded in 1870–75; oct- + -ane Words nearby octane octamer, octamerous, octameter, octan, octandrious, octane, octanedioic acid, octane number, octangle, octangular, octanoic acid Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 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 18See also isooctane Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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