detonation
/ˌdetəˈneɪʃən/noun
mass noun
1- the action of causing a bomb or explosive device to explode（炸弹, 爆炸装置的）引爆, 起爆。
1.1
- count noun a loud explosion巨大的爆炸声：
a series of deafening detonations was heard.
听到了一连串震耳欲聋的爆炸声。
1.2
- technical combustion of a substance which is initiated suddenly and propagates extremely rapidly giving rise to a shock wave〈技〉爆燃, 爆鸣。比较DEFLAGRATION.
1.3
- the premature combustion of fuel in an internal-combustion engine, causing pinking（内燃机的）爆燃, 爆鸣。
词源
late 17th cent.: from French détonation, from the verb détoner， from Latin detonare 'thunder down' （see DETONATE）.