#explosion__detonation  a violent release of energy caused by a chemical or nuclear reaction
  supertype:  #discharge  the sudden giving off of energy
  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"

1 schema is about #explosion
[pm#graph1_on_explosion
     [any #explosion,
          may have for pm#explosion_measure: several #explosive_unit]
];

No  statement uses a specialization of #explosion; click here to add a statement.