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radiotelegraph

[rey-dee-oh-tel-uh-graf, -grahf]
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noun
  1. a telegraph in which messages or signals are sent by means of radio waves rather than through wires or cables.
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verb (used with or without object)
  1. to telegraph by radiotelegraphy.
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Origin of radiotelegraph

First recorded in 1905–10; radio- + telegraph
Related formsra·di·o·tel·e·graph·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for radiotelegraph

radiotelegraph

verb
  1. to send (a message) by radiotelegraphy
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noun
  1. a message sent by radiotelegraphy
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012