matte

(noun) a mixture of sulfides that forms when sulfide metal ores are smelted.

(noun) the property of having little or no contrast; lacking highlights or gloss. Synonyms: flatness, lusterlessness, lustrelessness, mat, matt.

(verb) change texture so as to become matted and felt-like. Synonyms: felt, felt up, mat up, matt-up, matte up, mat. Examples: "The fabric felted up after several washes."

(adj) not reflecting light; not glossy. Synonyms: flat, mat, matt, matted. Examples: "Flat wall paint." "A photograph with a matte finish."