noun Pathology.

hyperexcitability of the vagus nerve, producing bradycardia, decreased heart output, and faintness.

Origin of vagotonia

First recorded in 1910–15; vago- + -tonia
Related formsva·go·ton·ic [vey-guh-ton-ik] /ˌveɪ gəˈtɒn ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vagotonic

Historical Examples of vagotonic

  • In peaceful sleep, we observe that the vagotonic functions hold full sway.


    Andr Tridon

  • But we have here simply one of the vagotonic activities mentioned previously.


    Andr Tridon

British Dictionary definitions for vagotonic



pathological overactivity of the vagus nerve, affecting various bodily functions controlled by this nerve

Word Origin for vagotonia

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

vagotonic in Medicine




Overactivity or irritability of the vagus nerve, adversely affecting function of the blood vessels, stomach, and muscles.sympathetic imbalance
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.