: a portable telethermometer using a telephone in connection with a differential thermometer
: a telephone involving heat effects (as changes in temperature) due to pulsations of the line current in a fine wire connected with the receiver diaphragm

Word History


International Scientific Vocabulary therm- + telephone

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Dictionary Entries Near thermophone

Cite this Entry

“Thermophone.” Dictionary, Merriam-Webster, Accessed 30 May. 2024.

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