research octane number

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English[edit]

Noun[edit]

research octane number (plural research octane numbers)

  1. An octane number, used by the American Society for Testing and Materials to estimate the antiknock characteristics of a fuel at low engine speeds

Synonyms[edit]

  • RON (abbreviation)

Hypernyms[edit]

Coordinate terms[edit]

Derived terms[edit]

  • RON (abbreviation)