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See more synonyms for radiotelephone on Thesaurus.com
  1. a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
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verb (used with or without object), ra·di·o·tel·e·phoned, ra·di·o·tel·e·phon·ing.
  1. to telephone by radiotelephony.
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Origin of radiotelephone

First recorded in 1905–10; radio- + telephone
Related formsra·di·o·tel·e·phon·ic [rey-dee-oh-tel-uh-fon-ik] /ˌreɪ di oʊˌtɛl əˈfɒn ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for radio-telephone

Historical Examples

  • In the multiplex telephone system we pictured transmitting and receiving sets very much like radio-telephone sets.

    Letters of a Radio-Engineer to His Son

    John Mills

  • This shows also a radio-telephone connection between the coast of California and Catalina Island.

  • He ran back into the radio-telephone cubby, which was a division of the control car.

    Raiders Invisible

    Desmond Winter Hall

  • Commodore Phillips immediately confirmed that his vessel did have radio-telephone apparatus.

    Saboteurs on the River

    Mildred A. Wirt

British Dictionary definitions for radio-telephone


  1. Also called: radiophone, wireless telephone a device for communication by means of radio waves rather than by transmitting along wires or cables
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  1. to telephone (a person) by radiotelephone
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Sometimes shortened to: radio
Derived Formsradiotelephonic (ˌreɪdɪəʊˌtɛlɪˈfɒnɪk), adjectiveradiotelephony (ˌreɪdɪəʊtɪˈlɛfənɪ), noun
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

Word Origin and History for radio-telephone


1900, from radio (n.) + telephone (n.).

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Online Etymology Dictionary, © 2010 Douglas Harper