A dye for cotton consisting of hydrated ferric oxide, prepared in situ by impregnating the fabric with an iron salt, treating it with alkali, and oxidizing.
Origin
Mid 19th century; earliest use found in Thomas Thomson.
Definition of iron buff in US English:
iron buff
noun
historical
A dye for cotton consisting of hydrated ferric oxide, prepared in situ by impregnating the fabric with an iron salt, treating it with alkali, and oxidizing.
Origin
Mid 19th century; earliest use found in Thomas Thomson.