Noun wireless telegraphy has 2 senses
  1. radiotelegraph, radiotelegraphy, wireless telegraphy - telegraphy that uses transmission by radio rather than by wire
    --1 is a kind of wireless
  2. radiotelegraph, radiotelegraphy, wireless telegraph, wireless telegraphy - the use of radio to send telegraphic messages (usually by Morse code)
    --2 is a kind of radio, wireless
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