Designed to prevent or reduce sudden violent explosions, especially in engines.
From anti- (against) + detonating (exploding violently). 'Detonating' comes from Latin detonare, meaning to explode. This term emerged in the early 20th century as automotive technology advanced.
Antidetonating fuel additives were crucial inventions that let car engines run at higher pressures without exploding—the octane rating you see at gas pumps measures exactly this property!
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