gray iron

American  

noun

1. pig iron or cast iron having much of its carbon in the form of graphite and exhibiting a gray fracture.

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Etymology

Origin of gray iron

First recorded in 1655–65

Example Sentences

See Examples For:

gray iron

To enter 732 S. Vermont Ave., you must carefully shove open a rusted gray iron gate until a gap large enough for you to slide through sideways appears.

From Los Angeles Times ● Jan. 29, 2022

Above the dark gray iron, stone walls formed the North Tower.

From "Huntress" by Malinda Lo

Leslie unpinned from its cambric cover a gray iron barége, with a narrow puffing round the hem of the full skirt and the little pointed bertha cape.

From A Summer in Leslie Goldthwaite's Life. by Whitney, A. D. T. (Adeline Dutton Train)

There was sheep gray, iron gray, blue gray, dirty gray, with bed blankets, quilts, buffalo-robes, pieces of carpeting of all colors and figures, for blankets.

From The Boys of '61 or, Four Years of Fighting, Personal Observations with the Army and Navy by Coffin, Charles Carleton

Such proportions will make a soft, even grained, dark gray iron, whose crystals are small and bright, and whose fracture will be uneven and sharp to the touch.

From Scientific American Supplement, No. 344, August 5, 1882 by Various