D defs.my
Entry 1 sense Webster, 1913

Radiotelegraphy

/(rā`dĭ*ŏ*tĕ*lĕg"rȧ*fy̆)/ · Ra·di·o·te·leg·ra·phy · IPA /ˌɹeɪ.di.əʊ.təˈlɛɡ.ɹə.fi/
01 n. Telegraphy using the radiant energy of radio waves; wireless telegraphy; -- the term adopted for use by the Radiotelegraphic Convention of 1912.
  1. 1.
    Telegraphy using the radiant energy of radio waves; wireless telegraphy; -- the term adopted for use by the Radiotelegraphic Convention of 1912.