iron mold
noun
a stain on cloth or the like made by rusty iron or by ink pigmented with an iron derivative.
Origin of iron mold
First recorded in 1595–1605
Words nearby iron mold
iron law of wages,
iron lung,
iron maiden,
iron man,
iron meteorite,
iron mold,
iron out,
iron pan,
iron putty,
iron pyrites,
iron rations