noun
Technical term for a supersonic combustion explosion, used in engineering, chemistry, and military contexts.
エンジン内でデトネーションが発生すると、深刻な損傷を引き起こす可能性がある。
If detonation occurs inside the engine, it can cause serious damage.
爆発 is the general Japanese word for explosion, while デトネーション specifically refers to a supersonic detonation wave.
Borrowed from English 'detonation'.