[ mī′tə-sĭz′əm ]
Stammering in which the letter m is frequently substituted for other consonants.mutacism
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Mytacism, mī′ta-sizm, n. a too recurrent use of the letter m in speech or writing.