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[rey-dee-oh-fohn] /ˈreɪ di oʊˌfoʊn/
a radiotelephone.
any of various devices for producing sound by the action of radiant energy.
verb (used with or without object)
to radiotelephone.
Origin of radiophone
First recorded in 1880-85; radio- + -phone
Related forms
[rey-dee-oh-fon-ik] /ˌreɪ di oʊˈfɒn ɪk/ (Show IPA),
[rey-dee-of-uh-nee] /ˌreɪ diˈɒf ə ni/ (Show IPA),
noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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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.

    The Onslaught from Rigel Fletcher Pratt
  • Wait a minute, since they're so near, I think I can switch them over to the radiophone.

    The Onslaught from Rigel Fletcher Pratt
  • The radiophone is especially suited for communicating from airplanes.

  • The receiver of the radiophone was clamped over his ears beneath his cap.

    On the Yukon Trail Roy J. Snell
  • In his eager search for his companion he had neglected the radiophone.

    On the Yukon Trail Roy J. Snell
  • “Now listen to this,” he said to Joe, as he shut off the radiophone.

    On the Yukon Trail Roy J. Snell
British Dictionary definitions for radiophone


another name for radiotelephone (sense 1)
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
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