noun a violent outburst of feeling, manifested by excited language, action, ·etc.; as, an explosion of wrath.
2. explosion ·noun a bursting with violence and loud noise, because of internal pressure; as, the explosion of a gun, a bomb, a steam boiler, ·etc.
3. explosion ·noun 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.