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wireless telegraphy - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

wireless telegraphy (usually uncountable, plural wireless telegraphies)

  1. (telegraphy, historical) Telegraphy by radio rather than by transmission cables.
    Synonyms: radiotelegraphy, (abbreviation) WT
    • 1909 January 26, “The Triumph of Wireless Telegraphy”, in The New York Times‎[1], →ISSN:

      This most conspicuous triumph of Mr. Marconi's invention is peculiarly gratifying to The Times, which has long made liberal use of wireless telegraphy in its European news service.