octane

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noun oc·tane \ˈäk-ˌtān\

Definition of octane

  1. 1 :  any of several isomeric liquid alkanes C8H18

  2. 2 :  octane number

Examples of octane in a sentence

  1. an octane rating of 90

Origin and Etymology of octane

International Scientific Vocabulary


First Known Use: 1867


OCTANE Defined for English Language Learners

octane

play
noun oc·tane \ˈäk-ˌtān\

Definition of octane for English Language Learners

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


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