Definition of explosion in English:


Syllabification: ex·plo·sion
Pronunciation: /ikˈsplōZHən


  • 1A violent and destructive shattering or blowing apart of something, as is caused by a bomb.
    More example sentences
    • A medic had found her on the platform near one of the commuter trains that had been ripped apart by twin bomb explosions.
    • The peace in the town was shattered by the explosion, which blew out doors and windows and sprayed glass across the street.
    • In the northern province, a bomb explosion damaged an oil pipeline.
    detonation, eruption, blowing up; bang, blast, boom, kaboom
  • 1.1 technical A violent expansion in which energy is transmitted outward as a shock wave.
    More example sentences
    • The researchers also plan to measure the speed of the explosion's shock wave to get further data.
    • When massive stars die, most of their energy is released as neutrinos in violent supernova explosions.
    • They carry a large fraction of the kinetic energy of the explosions of very massive stars.
  • 1.2A sudden outburst of something such as noise, light, or violent emotion, especially anger: an explosion of anger
    More example sentences
    • Finding oneself faced by danger, difficulties, sudden outburst or an explosion of anger, one shouldn't react quickly.
    • Jason couldn't understand her sudden explosion of anger and he knew there had to be more to what was bothering her than the spider prank.
    • Described as powerful, domineering and charismatic, he alternated affection with explosions of anger that terrified children and staff.
  • 1.3A sudden political or social upheaval.
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    • Even more important, as far as Western capitalist interests are concerned, is the threat of social and political explosions in huge areas of the world.
    • But they are concerned - and rightly so - that an attempt to call off the November election could produce a social and political explosion.
    • The brain drain of the late 1960s was a harbinger of the social explosion or the February Revolution of 1970.
  • 1.4A rapid or sudden increase in amount or extent: an explosion in the adder population
    More example sentences
    • Directly, the explosion in house prices and the sustained increases in rents is driving up the cost of living and exerting pressure on pay demands.
    • Improving medical technology alone has led to an explosion in the amount of treatment and surgery that's not only possible, but deemed to be necessary.
    • Wine from the United States has seen a similar explosion in sales, increasing from £33.4m to almost £309m.
    sudden/rapid increase, mushrooming, snowballing, escalation, multiplication, burgeoning, rocketing, skyrocketing
  • 1.5 Phonetics another term for plosion.


early 17th century: from Latin explosio(n-) 'scornful rejection', from the verb explodere (see explode).

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