[ moh-zey-uh-siz-uhm ]

  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.

Origin of mosaicism

First recorded in 1925–30; mosaic + -ism

Words Nearby mosaicism Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use mosaicism in a sentence