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radar noun

  /ˈɹeɪ.dɑɹ/ , /ˈɹeɪ.dɑː(ɹ)/ , [ˈɹeɪ.ɾɑɹ]
  • (uncountable) A method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of sent radio waves (usually microwaves) reflected from their surfaces.
 ραντάρ, ραδιοεντοπιστής
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