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noun Pathology.
  1. any abnormality or disease of muscle tissue.

Origin of myopathy

First recorded in 1840–50; myo- + -pathy
Related formsmy·o·path·ic [mahy-uh-path-ik] /ˌmaɪ əˈpæθ ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for myopathy


noun plural -thies
  1. any disease affecting muscles or muscle tissue
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

myopathy in Medicine


  1. Any of various abnormal conditions or diseases of the muscular tissues, especially one involving skeletal muscle.
Related formsmy′o•pathic (mī′ə-păthĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.