Is “Mattes” a Scrabble word?
Yes
MATTES
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Mattes
noun
1.A decorative border around a picture used to inset and center the contents of a frame.
“The image is a perfect square of 8 cm (with white matte border the total dimensions are 14 cm tall by 11 cm wide).”
2.A background, often painted or created with computers
“Matte painting is a tool that filmmakers can use to create a scene that is impossible to achieve with conventional cinematographic means.”
3.(pyrometallurgy) The molten metal sulfide phases typically formed during smelting of copper, nickel, and other base metals.
Synonyms: mat, matting, passe-partout