This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A release of mechanical, chemical, or nuclear energy in a sudden and often violent manner with the generation of high temperature and usually with the release of gases.

n. A violent bursting as a result of internal pressure.

n. The loud, sharp sound made as a result of either of these actions.

n. A sudden, often vehement outburst: an explosion of rage.

n. A sudden, great increase: a population explosion; the explosion of illegal drug use.

n. Linguistics See plosion.

n. A violent release of energy (sometimes mechanical, nuclear, or chemical.)

n. A bursting due to pressure.

n. The sound of an explosion.

n. A sudden uncontrolled increase.

n. A sudden outburst.

n. The act of exploding; detonation; a chemical action which causes the sudden formation of a great volume of expanded gas

n. A bursting with violence and loud noise, because of internal pressure

n. A violent outburst of feeling, manifested by excited language, action, etc..

n. a sudden and substantial increase; a rapid acceleration.

n. The act of exploding; a sudden expansion of a substance, as gunpowder or an elastic fluid, with force and, usually, a loud report; a sudden and loud discharge: as, the explosion of powder; an explosion of fire-damp.

n. A sudden bursting, or breaking up or in pieces, from an internal or other force; a blowing up or tearing apart: as, the explosion of a steam-boiler.

n. A bursting into sudden activity; a violent outburst, as of natural forces or of human emotion, expression, or action.

n. The discharge of a nerve-cell; the emission of nervous energy from a cell or from a group of cells.

n. the terminal forced release of pressure built up during the occlusive phase of a stop consonant

n. the act of exploding or bursting

n. a sudden great increase

n. a violent release of energy caused by a chemical or nuclear reaction

n. a sudden outburst

n. a golf shot from a bunker that typically moves sand as well as the golf ball

n. the noise caused by an explosion

"The term explosion in its original introduction denoted the making of a _noise_; it grew to comprehend the idea of _force_ accompanied with violent outburst; it is advancing to a stage in which it implies _combustion_ as associated with destruction, yet somewhat distinct from the abstract idea of the resolution of any form of matter into its elementary constituents."

implosion   

tone ending    release    increase    blowup    ebullition    outburst    effusion    gush    golf shot    golf stroke   

outbreak    detonative explosion    wave of explosion   

explode    explosive   

detonation    destruction    blast    burst    eruption   

corrosion    erosion    implosion   

blast    crash    roar    burst    storm    wave    shock    thunder    impact    bomb