Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - The elastic tension of living muscles, arteries, etc. that facilitate response to stimuli.

Usage examples (29)
  • This tonus is influenced by the stimulation of the vestibular apparatus in the regular manner already indicated.
  • In the frog's tongue, capillary tonus is very strongly developed, in that by far the majority are completely contracted.
  • If one performs the same experiment with the tongue, many hours must elapse before a similar reaction occurs, and even the slightest blood supply is adequate to maintain...
  • William Cullen (1712-90) accepting irritability as his starting-point, supposes a "tonus" or fluid inherent in the nerves (Newton's ether), whose stronger or weaker... for more
Tutoring comment

Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.