The oxford american dictionary has mat as an alternative spelling of matte.
Mat or matte.
Having a usually smooth even surface free from shine or highlights matte metals a matte finish.
Ing verb used descriptively or to form progressive verb for example a singing bird it is singing matted.
As a matte photograph.
Definition of matte entry 2 of 3.
Mat matt matte are homophones of the english language.
Having a usually smooth even surface free from shine or highlights matte metals a matte finish.
Lacking or deprived of luster see luster entry 1 sense 1 or gloss.
Having a rough or granular see granular sense 1 surface.
I used to do a lot of work with digital imagery and i always used and read matte but if you look up matt it has the same definition along with the spelling mat.
Having a rough or granular see granular sense 1 surface.
A mixture of a metal with its sulfides produced by smelting the sulfide ores of copper lead or nickel.
A border going around a picture between picture and frame or serving as the frame.
Matte adjective having a dull lusterless surface finish.
V 3rd person singular.
In this case we think mat is less ambiguous because matte when referring to a color could mean either the glossiness of the color or to its purpose as a framing element.
Past tense for example he saw the man she laughed.
Apparently it can be either one.
Opposed to glossy or polished.
Noun 2 definition of mat entry 5 of 6.
I d be curious what the oed says and i don t have one handy at the moment.
White metal while matte is arts photography a decorative border around a picture.
Matte noun 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.
A proof coin with matte figures on a polished field.