Definition of octane
1 : any of several isomeric liquid alkanes C8H18
2 : octane number
Examples of octane in a Sentence
an octane rating of 90
Recent Examples of octane from the Web
Those open looks the Cavs were willing to concede won't fly against the high-octane Warriors, who identify the smallest weakness, the slightest misstep, and exploit it.
The Warriors added Durant to their already high-octane roster.
This 10-mile waterfront trail is home to some high-octane aerial drama from the local birdlife.
Either way, both men light up when asked to remember their time in Hollywood, even with the more high-octane business of Sunday’s Indianapolis 500 rapidly approaching.
Perenchio’s penchant for privacy was particularly unusual in the land of high-octane egos and personal publicists.
High-octane showdowns, Terminator love triangles and time travel are just a few of the themes in the second season of Terminator: The Sarah Connor Chronicles, rebooting on Fox this fall.
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.
Origin and Etymology of octane
International Scientific Vocabulary
First Known Use: 1867
OCTANE Defined for English Language Learners
Definition of octane for English Language Learners
: a chemical in petroleum that is used to rate the quality of different kinds of gasoline
Seen and Heard
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