Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A radiotelephone.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a photophone
  • n. a radiotelephone

from the GNU version of the Collaborative International Dictionary of English

  • n. An apparatus for the production of sound by the action of luminous or thermal rays. It is essentially the same as the photophone.
  • n. a telephone using radio waves, rather than wires, to convey the voice signal.

from The Century Dictionary and Cyclopedia

  • n. An instrument in which a sound is produced by the successive expansions and contractions of a body under the action of an intermittent beam of radiant heat thrown upon and absorbed by it.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a telephone that communicates by radio waves rather than along cables

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