Definition of detonation noun from the Oxford Advanced Learner's Dictionary

 

detonation

 noun
noun
BrE BrE//ˌdetəˈneɪʃn//
 
; NAmE NAmE//ˌdetəˈneɪʃn//
 
[countable, uncountable]
 
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an explosion; the action of making something explode Word Origin late 17th cent.: from French détonation, from the verb détoner, from Latin detonare ‘thunder down’, from de- ‘down’ + tonare ‘to thunder’.
See the Oxford Advanced American Dictionary entry: detonation