What is Explosion?
Explosion definition and meaning on Dictionary terms:
an act or instance of exploding; a violent expansion or bursting with noise, as of gunpowder or a boiler (opposed to implosion).
the noise itself: The loud explosion woke them.
a violent outburst, as of laughter or anger.
a sudden, rapid, or great increase: a population explosion.
the burning of the mixture of fuel and air in an internal-combustion engine.