呉ご須す

noun

gosu porcelain

Refers to a type of porcelain that uses gosu (cobalt pigment) for underglaze blue decoration.

• この皿さらは呉ご須すで絵え付つけされている。

  This plate is decorated with gosu.

noun

asbolite; zaffer

Technical terms for the raw cobalt mineral used as a pigment, especially in ceramics. Asbolite is an earthy cobalt oxide; zaffer is an impure cobalt oxide used historically.

• 呉ご須すはコバルトを含ふくむ鉱こう物ぶつから作つくられる。

  Gosu is made from a mineral containing cobalt.