鉄てつ媒ばい染せん

noun

iron mordanting

Technical term in dyeing and chemistry: the process of using an iron compound as a mordant to fix dyes to fibers.

• 草くさ木き染ぞめでは、鉄てつ媒ばい染せんによって渋しぶい色いろ合あいが出でる。

  In plant dyeing, iron mordanting produces subdued shades.