matte

An opaque border or pattern placed between a source of light and a photosensitive surface to prevent exposure of specified portions of the surface.

A map specifying how two electronic images of the same size and shape are to be cropped for combination into a single image.

A kind of paint that dries to a dull finish.

Having a dull finish.

A mixture of a metal with its sulfides, produced by smelting the sulfide ores of copper, lead, or nickel.

In metallurgy, a product of the smelting of sulphureted ores, obtained in the process which next follows the roasting.

A partly reduced copper sulphide, obtained by alternately roasting and melting copper ore in separating the metal from associated iron ores, and called coarse metal, fine metal, etc., according to the grade of fineness. On the exterior it is dark brown or black, but on a fresh surface is yellow or bronzy in color.

A dead or dull finish, as in gilding where the gold leaf is not burnished, or in painting where the surface is purposely deprived of gloss.