also: てつぐすり
iron glaze (pottery)
A glaze containing iron oxide, used in ceramics to produce colors ranging from brown to black, often in traditional Japanese pottery.
This tea bowl is coated with an iron glaze.
鉄釉の色合いは焼成温度によって変わる。
The color of the iron glaze changes depending on the firing temperature.
Standard kanji form; the reading てつゆう is the most common.
Alternate reading using the kun'yomi for 釉; encountered in pottery contexts.
Compound of 鉄 (iron) and 釉 (glaze). The reading てつゆう uses the on'yomi for both characters, while てつぐすり combines on'yomi for 鉄 with the kun'yomi ぐすり for 釉.