Matte (metallurgy)
WordNet
adjective
(1) Not reflecting light; not glossy
"Flat wall paint"
"A photograph with a matte finish"
noun
(2) The property of having little or no contrast; lacking highlights or gloss
(3) A mixture of sulfides that forms when sulfide metal ores are smelted
verb
(4) Change texture so as to become matted and felt-like
"The fabric felted up after several washes"