#parabolic_mirror__parabolicmirror  a parabolic reflector for light radiation
  supertype:  #parabolic_reflector__parabolicreflector__paraboloid_reflector  a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam
  part of:  #reflecting_telescope__reflector  optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece

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