octane rating, octane level, octane ratio, knock rating, motor octane number, MON, research octane number, RON
standardne mõõtesuurus, mille abil tehakse kindlaks mootori talitluse või bensiini plahvatuskindlus, s.o isesüttimise vastu seismise võime, standard measure of the performance of an engine or aviation fuel, standard measure of a fuel's ability to withstand compression in an internal combustion engine without undergoing pre-ignition
