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myasthenia

[mahy-uh s-thee-nee-uh]
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noun Pathology.
  1. muscle weakness.

Origin of myasthenia

First recorded in 1855–60; my- + asthenia
Related formsmy·as·then·ic [mahy-uh s-then-ik] /ˌmaɪ əsˈθɛn ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for myasthenia

Historical Examples

  • He compares it to certain forms of cardiac dilatation—both expressions of myasthenia.

    A System of Practical Medicine By American Authors, Vol. II

    Various


British Dictionary definitions for myasthenia

myasthenia

noun
  1. any muscular weakness
  2. short for myasthenia gravis
Derived Formsmyasthenic (ˌmaɪəsˈθɛnɪk), adjective

Word Origin

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

Word Origin and History for myasthenia

n.

"muscular weakness," 1856, medical Latin; see myo- + asthenia.

Online Etymology Dictionary, © 2010 Douglas Harper

myasthenia in Medicine

myasthenia

(mī′əs-thēnē-ə)
n.
  1. Abnormal muscular weakness or fatigue.
  2. Myasthenia gravis.
Related formsmy′as•thenic (-thĕnĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.