meaning of explosion
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.
2. A bursting with violence and loud noise, because of internal pressure; as, the explosion of a gun, a bomb, a steam boiler, etc.
3. A violent outburst of feeling, manifested by excited language, action, etc. ; as, an explosion of wrath.
4. the act of exploding or bursting something; "the explosion of the firecrackers awoke the children"; "the burst of an atom bomb creates enormous radiation
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