#waveguide__wave_guide  a hollow metal conductor that provides a path to guide microwaves; used in radar
  supertype:  #conductor  a device designed to transmit electricity, heat, etc.
  part of:  #microwave_radar__microwaveradar__radar__radio_detection_and_ranging__radiodetectionandranging__radiolocation  measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects

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