#arc_lamp__arclamp__arc_light__arclight  a lamp that produces light when electric current flows across the gap between two electrodes
  supertype:  #electric_lamp  a lamp powered by electricity
  subtype:  #carbon_arc_lamp__carbon_arc  has carbon electrodes
     subtype:  #klieg_light__klieglight  carbon arc lamp that emits an intense light used in producing films

No statement uses or specializes #arc_lamp; click here to add one.