Dictionary.com

tonus

[ toh-nuhs ]
/ ˈtoʊ nəs /
Save This Word!

noun Physiology.
a normal state of continuous slight tension in muscle tissue that facilitates its response to stimulation.
QUIZ
QUIZ YOURSELF ON “ITS” VS. “IT’S”!
Apostrophes can be tricky; prove you know the difference between "it’s" and "its" in this crafty quiz!
Question 1 of 8
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.

Origin of tonus

1875–80; <New Latin, special use of Latin tonus<Greek tónostone
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use tonus in a sentence

British Dictionary definitions for tonus

tonus
/ (ˈtəʊnəs) /

noun
physiol the normal tension of a muscle at rest; tone

Word Origin for tonus

C19: from Latin, from Greek tonos 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

Medical definitions for tonus

tonus
[ tōnəs ]

n.
Body or muscular tone; tonicity.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
FEEDBACK