• synonyms


[moh-zey-uh-siz-uh m]
noun Biology.
  1. a condition in which an organism or part is composed of two or more genetically distinct tissues owing to experimental manipulation or to faulty distribution of genetic material during mitosis.
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Origin of mosaicism

First recorded in 1925–30; mosaic + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

mosaicism in Medicine


  1. A condition in which tissues of genetically different types occur in the same organism.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.