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Definition of Research octane number
1. Noun. An octane number, used by the ''American Society for Testing and Materials'' to estimate the antiknock characteristics of a fuel at low engine speeds ¹
¹ Source: wiktionary.com
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1. Noun. An octane number, used by the ''American Society for Testing and Materials'' to estimate the antiknock characteristics of a fuel at low engine speeds ¹
¹ Source: wiktionary.com