1. (n.) The act of bursting violently; detonation\; a chemical action which causes the sudden formation of a great volume of expanded gas; as, the explosion of gunpowder, of fire damped.

2. (n.) A bursting with violence and loud noise, because of internal pressure; as, the explosion of a gun, a bomb, a steam boiler, etc.

3. (n.) A violent outburst of feeling, manifested by excited language, action, etc.; as, an explosion of wrath.

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