Definition of explosion
1
: the act or an instance of exploding
injured in a laboratory explosion
2
: a large-scale, rapid, or spectacular expansion or bursting out or forth
the explosion of suburbia an explosion of red hair
3
: the release of occluded breath that occurs in one kind of articulation of stop consonants
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Merriam-Webster unabridged
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Time Traveler for explosion
The first known use of explosion was in 1681
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