• synonyms


  1. a radiotelephone.
  2. any of various devices for producing sound by the action of radiant energy.
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verb (used with or without object)
  1. to radiotelephone.
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Origin of radiophone

First recorded in 1880–85; radio- + -phone
Related formsra·di·o·phon·ic [rey-dee-oh-fon-ik] /ˌreɪ di oʊˈfɒn ɪk/, adjectivera·di·oph·o·ny [rey-dee-of-uh-nee] /ˌreɪ diˈɒf ə ni/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for radiophone

Historical Examples

  • Shortly after his radiophone to me in New York, he had missed Babs.

    Beyond the Vanishing Point

    Raymond King Cummings

  • But when he took out his radiophone, his hands were shaking a little.

    Out Like a Light

    Gordon Randall Garrett

  • He pulled out his radiophone and thumbed the call button again.

    Anything You Can Do ...

    Gordon Randall Garrett

  • Their friends had been notified by radiophone of their safety.

  • Ben Ruby's voice came through the radiophone, cool and masterful.

British Dictionary definitions for radiophone


  1. another name for radiotelephone (def. 1)
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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