English word thermophone comes from English -phone, English thermo- (Heat.)
| Dictionary entry | Language | Definition |
|---|---|---|
| -phone | English (eng) | A device related to the telephone.. A device that makes a sound.. A speaker of a certain language.. A type of sound. |
| thermo- | English (eng) | Heat. |
| thermophone | English (eng) | (historical) A portable telethermometer, using a telephone in connection with a differential thermometer.. (historical) 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.. A form of transducer that generates sound waves of precise power. |