媒ばい染せん

noun, noun or participle which takes 'suru', transitive verb

mordanting; color fixing

Technical term in dyeing and textile chemistry: treating fabric with a mordant to fix dyes. Used as a noun or with する.

• この染せん料りょうは媒ばい染せんしないと色いろ落おちしやすい。

  This dye tends to fade unless it is mordanted.

• 媒ばい染せん剤ざいとしてミョウバンを使つかう。

  Use alum as a mordant.