1. noun /mæt/
The image is a perfect square of 8 cm (with white matte border the total dimensions are 14 cm tall by 11 cm wide).
b) A background, often painted or created with computers
Matte painting is a tool that filmmakers can use to create a scene that is either too impractical, too costly or simply too impossible to achieve with conventional cinematographic means.
2. adjective /mæt/
Flat or matte paint allows a deep color expression on the walls while also hiding flaws that may be inherent on the painted surface.
Syn: matt
Wikipedia foundation.