#explosive_device__explosivedevice  device that bursts with sudden violence from internal energy
  supertype:  device  an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
  subtype:  bomb  detonator  firework  mine.explosive_device  petard
  part:  explosive  a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck

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