oc·​tane | \ ˈäk-ˌtān How to pronounce octane (audio) \

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 In lieu of any preexisting architectural moldings or transitions, the designer relied on high-octane accents. Jennifer Blaise Kramer, House Beautiful, "A Former Cubicle Floor Is Now a Boldly Colorful Family Home," 30 Dec. 2019 Auburn exceled last season with a high-octane offense that thrived in transition and on 3-pointers — often some deep 3-pointers, at that — behind the backcourt duo of Jared Harper and Bryce Brown, as well as first-round NBA Draft pick Chuma Okeke. Tom Green | Tgreen@al.com, al, "At 11-0, Auburn basketball is off to best start in 21 years," 22 Dec. 2019 The balance of Tyler’s high-octane life is disrupted, dangerously, by two sudden setbacks: an athletic injury and a major complication involving his girlfriend. Jocelyn Noveck, Detroit Free Press, "‘Waves’ explores the ebb, flow of a family’s love," 5 Dec. 2019 So what happens to a traveler when an airport is a high-octane destination unto itself? Stephanie Rosenbloom, New York Times, "My 27-Hour Vacation in Singapore’s Changi Airport," 2 Dec. 2019 Indeed, when the subsidy cut went into effect, low octane gasoline (the kind most widely used) prices skyrocketed and diesel prices doubled almost-instantaneously. Ian Bremmer, Time, "What Happens Next in Ecuador," 18 Oct. 2019 An alkylation unit at Valero Energy Corp.’s Benicia refinery, which makes high-octane gasoline, went down over the weekend, according to Genscape Inc. Los Angeles Times, "California drivers might soon pay $4 a gallon for gas," 25 Sep. 2019 So our job here is not to explain the Loush Sisters, but to communicate the sense and sensibility of their high-octane, boozy, blowzy drinks cart cabaret of holiday cheer. John Kappes, cleveland, "‘The Loush Sisters Love Dick’ns: Oops … They Did It Again’ pours on the booze and the tunes at Cleveland Public Theatre," 27 Nov. 2019 Jürgen Klopp has taken English football by storm since arriving at Anfield back in 2016, his brand of high-octane, breakneck football so often proving bewildering to managers in the Premier League. SI.com, "Aston Villa vs Liverpool: 8 Key Facts and Stats to Impress Your Mates Ahead of Premier League Clash," 2 Nov. 2019

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

International Scientific Vocabulary

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Time Traveler for octane

Time Traveler

The first known use of octane was in 1867

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Statistics for octane

Last Updated

14 Jan 2020

Cite this Entry

“Octane.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/octane. Accessed 24 January 2020.

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How to pronounce octane (audio)

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

Comments on octane

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a feeling of well-being or elation

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