noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A form of transducer that generates sound waves of precise power.
2. 2
   A portable telethermometer, using a telephone in connection with a differential thermometer. historical
3. 3
   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. historical

Synonyms

All synonyms

thermotelephone

Etymology

From thermo- + -phone.

Related phrases

sound wave

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.