Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A form of transducer that generates sound waves of precise power

from the GNU version of the Collaborative International Dictionary of English

  • n. A portable form of telethermometer, using a telephone in connection with a differential thermometer.
  • n. A telephone involving heat effects, as changes in temperature (hence in length) due to pulsations of the line current in a fine wire connected with the receiver diaphragm.

from The Century Dictionary and Cyclopedia

  • n. An electrical instrument in which sounds are produced by the changes in the circuit due to variations of temperature.

Etymologies

Sorry, no etymologies found.

Examples

  • That discovery led to the invention of a device called the "thermophone", he says.

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  • He, however, adds that the thermophone produced a very weak sound, whereas the nanotube sheets can be very loud.

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