mosaic (mosaism)

Term: mosaic

Origin:  An Greek Μούσα/Muse(=goddesses who inspire the creation of literature and the arts). In medieval Latin the term was used for the art of  making a picture by small colored pieces on a surface resembling to the work of a Muse.  The Greek word μουσείο/museio(=museum) has the same origin.

Definition:

1. (genetics) the occurrence in the same organism of two or more different genotypes.  It is known also as mosaism.

2. (botany) A viral disease of plants, resulting to botany) A mosaic disease: a viral disease discoloration of leaves.