Octane number (of petrol): Difference between revisions

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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.
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.

Latest revision as of 09:23, 17 September 2026

urn:mrn:iala:dic:6-2-0225

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)