noun Medicine/Medical.

the production of heat in body tissues by electric currents, for therapeutic purposes.

Also di·a·ther·mi·a [dahy-uh-thur-mee-uh] /ˌdaɪ əˈθɜr mi ə/.

Origin of diathermy

< German Diathermie (1909). See dia-, -thermy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for diathermy

Historical Examples of diathermy

  • Reduction of tension by means of various mechanical measures, notably massage, and by means of electricity and diathermy.



  • He left, returning a few minutes later with a portable apparatus somewhat resembling its progenitor, the diathermy generator.

    In the Orbit of Saturn

    Roman Frederick Starzl

British Dictionary definitions for diathermy


diathermia (ˌdaɪəˈθɜːmɪə)


local heating of the body tissues with an electric current for medical or surgical purposes

Word Origin for diathermy

C20: from New Latin diathermia, from dia- + Greek thermē heat
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

diathermy in Medicine




The therapeutic generation of local heat in body tissues by high-frequency electromagnetic radiation, electric currents, or ultrasonic waves.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.