tonus
noun
\
Definition of tonus
: tone sense 9b especially : a state of partial contraction characteristic of normal muscle
Keep scrolling for more
Keep scrolling for more
More Definitions for tonus
tonus
noun
\
Medical Definition of tonus
1 : tone sense 2a
2
: a state of partial contraction that is characteristic of normal muscle, is maintained at least in part by a continuous bombardment of motor impulses originating reflexly, and serves to maintain body posture
— called also
muscle tone
Comments on tonus
What made you want to look up tonus? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Words from Greek and Roman Mythology Quiz
-
- Boreal comes from the name of the ancient Greek god of which wind?
Test your visual vocabulary with our 10-question challenge!
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
-
Words from Greek and Roman Mythology Quiz
A mythological/etymological mashup!
Take the quiz -
Great Scrabble Words—A Quiz
Words to improve your Scrabble game
Take the quiz -
Name That Thing
Test your visual vocabulary with our 10-question challenge!
Take the quiz -
SCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share tonus
Resources for tonus