noun, noun which may take the genitive case particle 'no'
matte; dull luster; non-glossy
Describes a surface or finish that lacks shine or gloss. Often used in product descriptions for paper, paint, screens, or cosmetics.
See also: 光沢
この写真用紙は無光沢で、落ち着いた仕上がりです。
This photo paper is matte and has a subdued finish.
無光沢
A matte LCD screen has less reflection from ambient light.
つや消し is a more common, everyday term for matte or non-glossy finishes, while 無光沢 is slightly more technical.
Compound of 無 (mu, 'without') + 光沢 (kōtaku, 'luster'). The reading むこうたく reflects the standard on'yomi combination.