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myo-

American  
  1. a combining form meaning “muscle,” used in the formation of compound words.

    myology.


myo- British  

combining form

  1. muscle

    myocardium

"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

Usage

What does myo- mean? Myo- is a combining form used like a prefix meaning “muscle.” It is often used in medical terms, especially in anatomy.Myo- comes from the Greek mŷs, meaning “muscle” and “mouse.” Mouse? Yep, discover why at our entry for muscle.What are variants of myo-?When combined with words or word elements that begin with a vowel, myo- becomes my-, as in myalgia.

Etymology

Origin of myo-

Combining form representing Greek mŷs mouse, muscle