Dictionary.com

explosion

[ ik-sploh-zhuhn ]
/ ɪkˈsploʊ ʒən /
Save This Word!
See synonyms for: explosion / explosions on Thesaurus.com

noun

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.

QUIZZES

DO A DOUBLE TAKE ON THIS QUIZ ON CONTRONYMS

Look both ways before you take this quiz on contronyms, or words that can have opposite meanings.
Question 1 of 7
Choose the sentence that uses "rent" correctly.

Meet Grammar Coach

Write or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing

Meet Grammar Coach

Improve Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of explosion

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

OTHER WORDS FROM explosion

post·ex·plo·sion, adjectivepre·ex·plo·sion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for explosion

British Dictionary definitions for explosion

explosion
/ (ɪkˈspləʊʒən) /

noun

the act or an instance of exploding
a violent release of energy resulting from a rapid chemical or nuclear reaction, esp one that produces a shock wave, loud noise, heat, and lightCompare implosion (def. 1)
a sudden or violent outburst of activity, noise, emotion, etc
a rapid increase, esp in a population
phonetics another word for plosion

Word Origin for explosion

C17: from Latin explōsiō, from explōdere to explode
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for explosion

explosion
[ ĭk-splōzhən ]

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 Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK