mosaic

1. A piece of artwork created by placing colored pieces (usually tiles, either regular or irregular in shape) in a pattern so as to create a picture. (countable, uncountable)
2. Pixelization. (a method of censorship) (countable, uncountable)
3. An individual composed of two or more cell lines of different genetic or chromosomal constitution, but from the same zygote. (countable, uncountable)
4. Any of several viral diseases that cause mosaic-like patterns to appear on leaves. (countable, uncountable)
5. A composite picture made from overlapping photographs. (countable, uncountable)
6. Any composite structure made from diverse elements. (countable, figuratively, uncountable)

Plural mosaics