iron mold

American  

noun

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

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Etymology

Origin of iron mold

First recorded in 1595–1605

Example Sentences

“Being able to blow glass into an iron mold and have pieces release cleanly without chipping or breaking is an art.”

From Washington Times • Jul. 18, 2014

Then slowly, as he saw the excellence of her, standing there, his face dropped back into its iron mold.

From The Purchase Price by Hough, Emerson

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.

From Blood and Iron Origin of German Empire As Revealed by Character of Its Founder, Bismarck by Greusel, John Hubert

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.

From Carnival by MacKenzie, Compton

If Crisco sizzles considerably, and batter case spreads out and drops from the iron, mold is too hot.

From The Story of Crisco by Neil, Marion Harris