• synonyms


noun Pathology.
  1. hyperexcitability of the vagus nerve, producing bradycardia, decreased heart output, and faintness.
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Origin of vagotonia

First recorded in 1910–15; vago- + -tonia
Related formsva·go·ton·ic [vey-guh-ton-ik] /ˌveɪ gəˈtɒn ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for vagotonia


  1. pathological overactivity of the vagus nerve, affecting various bodily functions controlled by this nerve
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Word Origin

C19: from vag (us) + -tonia, from Latin tonus tension, 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

vagotonia in Medicine


  1. Overactivity or irritability of the vagus nerve, adversely affecting function of the blood vessels, stomach, and muscles.sympathetic imbalance
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Related formsva′go•tonic (-tŏnĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.