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myasthenia

[mahy-uh s-thee-nee-uh] /ˌmaɪ əsˈθi ni ə/
noun, Pathology
1.
muscle weakness.
Origin
1855-1860
1855-60; my- + asthenia
Related forms
myasthenic
[mahy-uh s-then-ik] /ˌmaɪ əsˈθɛn ɪk/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for myasthenia

myasthenia

/ˌmaɪəsˈθiːnɪə/
noun
1.
any muscular weakness
2.
short for myasthenia gravis
Derived Forms
myasthenic (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
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Word Origin and History for myasthenia
n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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myasthenia in Medicine

myasthenia my·as·the·ni·a (mī'əs-thē'nē-ə)
n.

  1. Abnormal muscular weakness or fatigue.

  2. Myasthenia gravis.


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