Radiotelegraphy

//ˌɹeɪ.di.əʊ.təˈlɛɡ.ɹə.fi// noun

Definitions

Noun
  1. 1
    The process and techniques of sending telegrams using radio waves rather than wires. uncountable
  2. 2
    the use of radio to send telegraphic messages (usually by Morse code) wordnet
  3. 3
    telegraphy that uses transmission by radio rather than by wire wordnet

Etymology

From radio- + telegraphy.

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