[ih-lek-trot-n-uh s, ee-lek-]

Origin of electrotonus

From New Latin, dating back to 1855–60; see origin at electro-, tonus
Related formse·lec·tro·ton·ic [ih-lek-truh-ton-ik] /ɪˌlɛk trəˈtɒn ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for electrotonus


  1. physiol the change in the state of irritability and conductivity of a nerve or muscle caused by the passage of an electric current
Derived Formselectrotonic (ɪˌlɛktrəʊˈtɒnɪk), adjective

Word Origin for electrotonus

C19: from New Latin, from electro- + Latin tonus tone
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

electrotonus in Medicine


[ĭ-lĕk′trŏtn-əs, ē′lĕk-]
  1. Alteration in excitability and conductivity of a nerve or muscle during the passage of an electric current through it.
Related formse•lec′tro•tonic (-trə-tŏnĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.