Meaning of “octane number” in the English Dictionary

british dictionary

"octane number" in British English

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octane numbernoun [ C ]

uk /ˈɒk.teɪn ˌnʌm.bər/ us /ˈɑːk.teɪn ˌnʌm.bɚ/ also octane rating

(Definition of “octane number” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

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