#discharge  the sudden giving off of energy
  supertype:  happening__occurrence__natural_event__naturalevent  an event that happens
  subtype:  electrical_discharge  a discharge of electricity
     subtype:  nerve_impulse__nerveimpulse__impulse  the electrical discharge that travels along a nerve fiber; "they demonstrated the transmission of impulses from the cortex to the hypothalamus"
        subtype:  action_potential  the local voltage change across the cell wall as a nerve impulse is transmitted
     subtype:  spike.electrical_discharge  a transient variation in voltage or current
     subtype:  atmospheric_electricity__atmosphericelectricity  electrical discharges in the atmosphere
        subtype:  elves__elve  an acronym for Emissions of Light and Very low frequency perturbations due to Electromagnetic pulse Sources; extremely bright extremely short (less than a msec) electrical flashes forming a huge ring (up to 400 km diameter) in the ionosphere
        subtype:  blue_jets__jets  atmospheric discharges (lasting 10 msec) bursting from the tops of giant storm clouds in blue cones that widen as they flash upward
        subtype:  lightning  abrupt electric discharge from cloud to cloud or from cloud to earth accompanied by the emission of light
           subtype:  forked_lightning__chain_lightning__chainlightning  a form of lightning that moves rapidly in a zigzag path with one end divided (fork-like)
           subtype:  bolt_of_lightning__thunderbolt__bolt  a discharge of lightning accompanied by thunder
        subtype:  red_sprites__redsprite__sprites__sprite  atmospheric electricity (lasting 10 msec) appearing as globular flashes of red (pink to blood-red) light rising to heights of 60 miles (sometimes seen together with elves)
  subtype:  explosion__detonation  a violent release of energy caused by a chemical or nuclear reaction
     subtype:  blast.explosion  an explosion (as of dynamite)
        subtype:  bomb_blast  the explosion of a bomb
           subtype:  nuclear_explosion__nuclearexplosion__atomic_explosion  the explosion of an atomic bomb
     subtype:  backfire  a loud noise made by the explosion of fuel in the manifold or exhaust of an internal combustion engine
        subtype:  backblast  backfire from a recoilless weapon
     subtype:  big_bang__bigbang  (cosmology) the cosmic explosion that is hypothesized to have marked the origin of the universe
     subtype:  blowback  the backward escape of unburned gunpowder after a shot
     subtype:  inflation.explosion  (cosmology) a brief exponential expansion of the universe (faster than the speed of light) postulated to have occurred shortly after the big bang
     subtype:  explosion.action__burst  the act of exploding or bursting something; "the explosion of the firecrackers awoke the children"; "the burst of an atom bomb creates enormous radiation aloft"
        subtype:  detonation  the act of detonating an explosion
           subtype:  percussion  the act of exploding a percussion cap
        subtype:  fulmination  the act of exploding with noise and violence; "his fulminations frightened the horses"
  subtype:  volcanic_eruption__eruption  the sudden occurrence of a violent discharge of steam and volcanic material

1 statement is about an indirect instance of discharge (explosion__detonation): graph1_on_explosion
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