explosion

explosion (http://definr.com/explosion)

     n 1: a violent release of energy caused by a chemical or nuclear
          reaction [syn: detonation]
     2: the act of exploding or bursting something; "the explosion
        of the firecrackers awoke the children"; "the burst of an
        atom bomb creates enormous radiation aloft" [syn: burst]
     3: the terminal forced release of pressure built up during the
        occlusive phase of a stop consonant [syn: plosion]