/ Thesaurus / D Synonyms of diathermy machine Find synonyms for: Noun1. diathermy machine, medical instrumentusage: a medical instrument for local heating of bodily tissues for medical purposesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language