'Detonation' definitions:

Definition of 'detonation'

From: WordNet
noun
A violent release of energy caused by a chemical or nuclear reaction [syn: explosion, detonation, blowup]
noun
The act of detonating an explosive

Definition of 'Detonation'

From: GCIDE
  • Detonation \Det`o*na"tion\ (d[e^]t`[-o]*n[=a]"sh[u^]n), n. [Cf. F. d['e]tonation.] An explosion or sudden report made by the instantaneous decomposition or combustion of unstable substances; as, the detonation of gun cotton. [1913 Webster]