detonation

nouns

a violent release of energy caused by a chemical or nuclear reaction
blowup, detonation, explosion
is derived from
detonate
the act of detonating an explosive
detonation
is derived from
detonate
is a type of (narrower)
the act of exploding or bursting
"the explosion of the firecrackers awoke the children"; "the burst of an atom bomb creates enormous radiation aloft"
burst, explosion