iron mold

noun

1. a stain on cloth or the like made by rusty iron or by ink pigmented with an iron derivative.

Word History and Origins

Origin of iron mold¹

First recorded in 1595–1605

Example Sentences

Muriatic acid is successfully used for removing ink stains and iron mold on a number of colors which it does not attack.

From Project Gutenberg

Plough with cast-iron mold-board and iron shares—James Small, Scotland, 1784.

From Project Gutenberg

He made cast-iron mold-boards and wrought-iron shares, and introduced the draft-chain.

From Project Gutenberg