Ex plosion


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.
Phonetics, plosion.

1615–25; < Latin explōsiōn- (stem of explōsiō), equivalent to explōs(us) driven off by clapping (past participle of explōdere to explode) + -iōn- -ion

postexplosion, adjective
preexplosion, noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
explosion (ɪkˈspləʊʒən)
1.  the act or an instance of exploding
2.  Compare implosion a violent release of energy resulting from a rapid chemical or nuclear reaction, esp one that produces a shock wave, loud noise, heat, and light
3.  a sudden or violent outburst of activity, noise, emotion, etc
4.  a rapid increase, esp in a population
5.  phonetics another word for plosion
[C17: from Latin explōsiō, from explōdere to explode]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

1623, from Fr. explosion, from L. explosionem (nom. explosio), from explodere "drive out by clapping" (see explode for origin and sense evolution). Sense of "rapid increase or development" is first attested 1953. Explosive (n.) first attested 1874.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
explosion   (ĭk-splō'zhən)  Pronunciation Key 
A violent blowing apart or bursting caused by energy released from a very fast chemical reaction, a nuclear reaction, or the escape of gases under pressure.
The American Heritage® Science Dictionary
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