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English definition of “high-octane”

high-octane

adjective [before noun]     /ˌhaɪˈɒkteɪn/ US  /-ˈɑːk-/
describes fuel that is of very good quality: high-octane fuel high-octane petrol (US gas)Petroleum products especially when used as fuelFuels full of energy or very powerful: a high-octane performanceEnergetic and livelyPhysically strong and powerful
(Definition of high-octane adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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