(ゆうやく)

ゆうやく
noun
glaze (ceramics)
1. glaze (for pottery and ceramics)
A liquid mixture applied to pottery before firing. When heated in the kiln, it melts and fuses into a glassy layer that seals the surface and gives the finished piece its characteristic color, sheen, and texture.
釉薬(ゆうやく)()る。
To apply glaze.
(うつわ)釉薬(ゆうやく)をかけてから()く。
We apply glaze to the bowl and then fire it.
()(もの)(いろ)は、釉薬(ゆうやく)()温度(おんど)()まる。
The color of pottery is determined by the glaze and the firing temperature.
伝統的(でんとうてき)陶器(とうき)には、(はい)鉱物(こうぶつ)使(つか)った独自(どくじ)釉薬(ゆうやく)(もち)いられている。
Traditional pottery uses distinctive glazes made from ash and minerals.

Composed of (ゆう) (gloss; glaze) + (やく) (drug; substance, chemical). A technical term from ceramics referring to the liquid coating applied to unfired pots. During firing, the glaze melts and fuses to the clay body, giving the finished work its glossy surface, color, and waterproof properties. Sometimes also read as うわぐすり in more everyday craft contexts.

COMMON COLLOCATIONS:

  • 釉薬(ゆうやく)をかける: to apply glaze (by pouring or dipping)
  • 釉薬(ゆうやく)()る: to apply glaze (by brushing)
  • 釉薬(ゆうやく)()ける: the glaze melts (in the kiln)
  • 透明(とうめい)釉薬(ゆうやく): clear glaze
  • (はい)釉薬(ゆうやく): ash glaze
  • (てつ)釉薬(ゆうやく): iron glaze

SIMILAR WORDS:

  • うわぐすり: glaze — the native Japanese reading of 釉薬(ゆうやく) (sometimes written 上薬(うわぐすり) or just (うわぐすり)). Used in craft and studio talk; 釉薬(ゆうやく) (ゆうやく) is more common in technical writing.
  • 素焼(すや)き: unglazed firing / bisque firing — the initial firing before glaze is applied.
  • 本焼(ほんや)き: glaze firing — the second firing that fuses the glaze.

RELATED TERMS:

  • 陶器(とうき): pottery; earthenware
  • 磁器(じき): porcelain
  • (かま): kiln
  • ()(もの): ceramics; pottery

USAGE:
You will see this word in pottery workshops, museum labels, and craft magazines. It can refer either to the liquid before firing or to the fused glassy layer on the finished piece — context makes the difference clear.