a stain on cloth or the like made by rusty iron or by ink pigmented with an iron derivative.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use iron mold in a sentence
Muriatic acid is successfully used for removing ink stains and iron mold on a number of colors which it does not attack.The Whitehouse Cookbook (1887) | Mrs. F.L. Gillette
Plough with cast-iron mold-board and iron shares—James Small, Scotland, 1784.The Story of Great Inventions | Elmer Ellsworth Burns
He made cast-iron mold-boards and wrought-iron shares, and introduced the draft-chain.Jethro Wood, Inventor of the Modern Plow. | Frank Gilbert