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

Another was a specialist in hickory, and thought and talked spokes; another was a reservoir of dependable facts about rubber; another about gray iron castings; another about paints and enamels, and so on.

From Youth Challenges by Kelland, Clarence Budington

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

Our shovels were clanging on the gray iron of the rock from space.

From Astounding Stories, March, 1931 by Various