'Explosion' definitions:

Definition of 'explosion'

From: WordNet
noun
A violent release of energy caused by a chemical or nuclear reaction [syn: explosion, detonation, blowup]
noun
The act of exploding or bursting; "the explosion of the firecrackers awoke the children"; "the burst of an atom bomb creates enormous radiation aloft" [syn: explosion, burst]
noun
A sudden great increase; "the population explosion"; "the information explosion"
noun
The noise caused by an explosion; "the explosion was heard a mile away"
noun
The terminal forced release of pressure built up during the occlusive phase of a stop consonant [syn: plosion, explosion]
noun
A sudden outburst; "an explosion of laughter"; "an explosion of rage"
noun
A golf shot from a bunker that typically moves sand as well as the golf ball

Definition of 'Explosion'

From: GCIDE
  • Explosion \Ex*plo"sion\, n. [L. explosio a driving off by clapping: cf. F. explosion explosion. See Explode.]
  • 1. The act of exploding; detonation; a chemical action which causes the sudden formation of a great volume of expanded gas; as, the explosion of gunpowder, of fire damp, etc. [1913 Webster]
  • 2. A bursting with violence and loud noise, because of internal pressure; as, the explosion of a gun, a bomb, a steam boiler, etc. [1913 Webster]
  • 3. A violent outburst of feeling, manifested by excited language, action, etc.; as, an explosion of wrath. [1913 Webster]
  • A formidable explosion of high-church fanaticism. --Macaulay. [1913 Webster]
  • 4. a sudden and substantial increase; a rapid acceleration; as, the population explosion. [PJC]