myasthenia

[mahy-uhs-thee-nee-uh]

my·as·the·ni·a

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

Origin:
1855–60; my- + asthenia

my·as·then·ic [mahy-uhs-then-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To myasthenia

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Myasthenia has a plethora of syllables.
So is dichlorodiphenyltrichloroethane. Does it mean:
given to using long words.
a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S.
Collins
World English Dictionary
myasthenia (ˌmaɪəsˈθiːnɪə)
 
n
1.  any muscular weakness
2.  short for myasthenia gravis
 
[C19: from myo- + asthenia]
 
myasthenic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary

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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