Dictionary.com

myasthenia

[ mahy-uhs-thee-nee-uh ]
/ ˌmaɪ əsˈθi ni ə /

noun Pathology.

muscle weakness.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
The Sunflower State
The Evergreen State
The Magnolia State
The Mockingbird State
TAKE THE QUIZ TO FIND OUT

Origin of myasthenia

First recorded in 1855–60; my- + asthenia

OTHER WORDS FROM myasthenia

my·as·then·ic [mahy-uhs-then-ik], /ˌmaɪ əsˈθɛn ɪk/, adjective

Words nearby myasthenia

myall, Myambutol, Myanmar, My Antonia, myasis, myasthenia, myasthenia gravis, myasthenic facies, myatonia, myatonia congenita, myatrophy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for myasthenia

British Dictionary definitions for myasthenia

myasthenia
/ (ˌmaɪəsˈθiːnɪə) /

noun

any muscular weakness
short for myasthenia gravis

Derived forms of myasthenia

myasthenic (ˌmaɪəsˈθɛnɪk), adjective

Word Origin for myasthenia

C19: from myo- + asthenia
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 myasthenia

myasthenia
[ mī′əs-thē′nē-ə ]

n.

Abnormal muscular weakness or fatigue.
Myasthenia gravis.

Other words from myasthenia

my′as•then′ic (-thĕn′ĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.