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

She has even bought iron molds from shuttered factories.

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“Miller designed the iron molds that became pitchers, creamers and other items, and was excellent at it,” says Cooper.

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A piece of cotton thread must be heated in a furnace in an iron mold, which would prevent the thread from burning by keeping out the air.

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The heavy November twilight caught them as the train roared through the Bobmin valley past hillsides stained with dead bracken—like iron mold, Jenny thought.

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To a man of Bismarck’s iron mold, the exercise of power is the breath of life; this made it a tragedy for the aged Bismarck to withdraw.

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