Octane number (of petrol)

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6-2-225

A number indicating the capacity of petrol to avoid knocking. Petrol intended for use in an engine of high compression ratio must have a high octane number.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

Languages

English

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM

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