discharge - the sudden giving off of energy

airburst - an explosion in the atmosphere

blast - an explosion (as of dynamite)

backfire - a loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine

big bang - (cosmology) the cosmic explosion that is hypothesized to have marked the origin of the universe

blowback - the backward escape of unburned gunpowder after a shot

fragmentation - the scattering of bomb fragments after the bomb explodes

inflation - (cosmology) a brief exponential expansion of the universe (faster than the speed of light) postulated to have occurred shortly after the big bang

expression, reflexion, reflection, manifestation - expression without words; "tears are an expression of grief"; "the pulse is a reflection of the heart's condition"

acting out - a (usually irritating) impulsive and uncontrollable outburst by a problem child or a neurotic adult

cry - a fit of weeping; "had a good cry"

explosion - a sudden outburst; "an explosion of laughter"; "an explosion of rage"

flare - a sudden outburst of emotion; "she felt a flare of delight"; "she could not control her flare of rage"

photo, photograph, pic, exposure - a picture of a person or scene in the form of a print or transparent slide; recorded by a camera on light-sensitive material