explosion
Americannoun
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an act or instance of exploding; a violent expansion or bursting with noise, as of gunpowder or a boiler (implosion ).
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the noise itself.
The loud explosion woke them.
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a violent outburst, as of laughter or anger.
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a sudden, rapid, or great increase.
a population explosion.
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the burning of the mixture of fuel and air in an internal-combustion engine.
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Phonetics. plosion.
noun
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the act or an instance of exploding
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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 Compare implosion
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a sudden or violent outburst of activity, noise, emotion, etc
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a rapid increase, esp in a population
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phonetics another word for plosion
Other Word Forms
- postexplosion adjective
- preexplosion noun
Etymology
Origin of explosion
First recorded in 1615–25; from Latin explōsiōn-, stem of explōsiō, from explōs(us) “driven off by clapping” (past participle of explōdere “to drive off by clapping, drive away”; explode ) + -iō -ion
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.