octane number
noun
: a number that is used to measure the antiknock properties of a liquid motor fuel (such as gasoline) with a higher number indicating a smaller likelihood of knocking
called also octane rating
compare cetane numberExamples of octane number in a Sentence
Recent Examples on the Web
The higher the octane number, the more stable the fuel.
—
Courtney Linder, Popular Mechanics, 22 Mar. 2022
Fueling requires unleaded pump octane number (PON) 86 or higher.
—Joe Michaud, San Diego Union-Tribune, 16 Aug. 2020
Courtney Linder, Popular Mechanics, 22 Mar. 2022
Fueling requires unleaded pump octane number (PON) 86 or higher.
—Joe Michaud, San Diego Union-Tribune, 16 Aug. 2020
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'octane number.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Octane number.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/octane%20number. Accessed 18 Apr. 2024.
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