D defs.my
Entry 1 sense Webster, 1913

Marconi system

/mär-kōn'-ē sĭs'-təm/ · Mar·co·ni system · IPA
01 A system or wireless telegraphy developed by G. Marconi, an Italian physicist, in which Hertzian waves are used in transmission and a coher…
  1. 1.
    A system or wireless telegraphy developed by G. Marconi, an Italian physicist, in which Hertzian waves are used in transmission and a coherer is used as the receiving instrument.(Elec.)