thermophone

noun ther·mo·phone \ˈthərməˌfōn\

Definition of thermophone

  1. 1 :  a portable telethermometer using a telephone in connection with a differential thermometer

  2. 2 :  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

There's more!

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!
Already a subscriber? Log in.

Origin and Etymology of thermophone

International Scientific Vocabulary therm- + telephone


Seen and Heard

What made you want to look up thermophone? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!