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WordReference Random House Learner's Dictionary of American English © 2024det•o•na•tion /ˌdɛtəˈneɪʃən/USA pronunciation n. - [countable] a loud explosion:Detonations echoed through the town all night during the bombardment.
the work or action of causing a bomb to explode:[uncountable]Detonation of mines was a high priority after the war. WordReference Random House Unabridged Dictionary of American English © 2024det•o•na•tion (det′n ā′shən),USA pronunciation n. - the act of detonating.
- an explosion.
- Mechanical Engineering, Automotive[Mach.]the premature spontaneous burning of a fuel–air mixture in an internal-combustion engine due to the high temperature of air compressed in a cylinder.
- Medieval Latin dētonātiōn- (stem of dētonātiō), equivalent. to Latin dētonāt(us) (see detonate) + -iōn- -ion
- 1670–80
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