octane

noun
oc·​tane | \ˈäk-ˌtān \

Definition of octane 

1 : any of several isomeric liquid alkanes C8H18

Examples of octane in a Sentence

an octane rating of 90

Recent Examples on the Web

Clearly inspired by Grand Theft Auto: San Andreas, the game is filled with adventure and danger, and Vanellope is particularly impressed by the driving skills of a high-octane racer named Shank (Wonder Woman’s Gal Gadot). Bryan Bishop, The Verge, "Ralph Breaks the Internet is The Lego Movie of Disney films," 14 Nov. 2018 Ethanol was adopted decades ago as a natural alternative to octane boosters like lead and MTBE, which posed serious environmental and health hazards. Chuck Grassley And, WSJ, "Trump Gives Farmers a Jolt of Fuel," 16 Oct. 2018 Eighty octane gas increased from 3.65 to 5.5 pounds (from 20 cents to 31 cents) per liter, nearly a 50 percent increase. Samy Magdy, BostonGlobe.com, "Egypt increases fuel prices, as part of austerity measures," 16 June 2018 Eighty octane gas increased from 3.65 to 5.5 pounds (from 20 cents to 31 cents) per liter, nearly a 50 percent increase. Washington Post, "Egypt increases fuel prices, as part of austerity measures," 16 June 2018 Ninety-two octane gasoline increased from 5 pounds to 6.75 pounds (from 28 cents to 38 cents) per liter, or about a 34-percent increase. Samy Magdy, BostonGlobe.com, "Egypt increases fuel prices, as part of austerity measures," 16 June 2018 Ninety-two octane gasoline increased from 5 pounds to 6.75 pounds (from 28 cents to 38 cents) per liter, or about a 34-percent increase. Washington Post, "Egypt increases fuel prices, as part of austerity measures," 16 June 2018 The festival, with three dozen vendor booths and a high-octane drag show, ended up covering two blocks. Will Higgins, Indianapolis Star, "In Pence's hometown of Columbus, a gay pride festival draws a larger than expected crowd," 14 Apr. 2018 VP Racing Fuel is a specialty fuel company that buys petroleum products and modifies it to create specialty race fuels and fuel blending products to boost octane, clean fuel systems or stabilize fuel. Rye Druzin, San Antonio Express-News, "San Antonio racing fuel maker opening retail shops in Mexico," 11 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'octane.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of octane

1867, in the meaning defined at sense 1

History and Etymology for octane

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Statistics for octane

Last Updated

18 Nov 2018

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Time Traveler for octane

The first known use of octane was in 1867

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More Definitions for octane

octane

noun

English Language Learners Definition of octane

: a chemical in petroleum that is used to rate the quality of different kinds of gasoline

More from Merriam-Webster on octane

Rhyming Dictionary: Words that rhyme with octane

Britannica.com: Encyclopedia article about octane

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