The definition of an explosion is a loud outburst or blast, or a sudden increase.(noun)
See explosion in Webster's New World College Dictionary
Origin: L explosio < pp. of explodere: see explode
See explosion in American Heritage Dictionary 4
Origin: Latin explōsiō, explōsiōn-, a driving off
Origin: , from explōsus
Origin: , past participle of explōdere, to drive out by clapping; see explode.
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