[ moh-zey-uh-siz-uh m ]
/ moʊˈzeɪ əˌsɪz əm /

noun Biology.

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.

Origin of mosaicism

First recorded in 1925–30; mosaic + -ism Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for mosaicism

[ mō-zāĭ-sĭz′əm ]


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