Noun
1. a violent release of energy caused by a chemical or nuclear reaction
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"3. a sudden great increase;
"the population explosion""the information explosion"4. the noise caused by an explosion;
"the explosion was heard a mile away"5. the terminal forced release of pressure built up during the occlusive phase of a stop consonant
6. a sudden outburst;
"an explosion of laughter""an explosion of rage"7. a golf shot from a bunker that typically moves sand as well as the golf ball