iron brick

noun

, Masonry.

1. brick having a sprinkling of dark spots caused by the presence of iron salts.

Example Sentences

If you can’t install iron, brick, concrete or other nonflammable fencing, Lopez advises installing a protective barrier made of stone or metal between any wood fencing and your house.

From Los Angeles Times

The iron, brick and granite City Hall is the same place where Lovecraft has the main character in his novel “The Case of Charles Dexter Ward” do research.

From New York Times

Within the precincts of the monasteries were to be found workshops for teaching carpentry, forges for teaching the natives the working of iron, brick and tileyards,—in fact, most of the mechanical arts were fostered and encouraged by the Friars.

From Project Gutenberg

It is in one of the most productive coal regions of the state; it ships coal, limestone and livestock, has large bottling works, and manufactures iron, brick and tile, machine-shop products, woollen goods, shirts, cigars and flour.

From Project Gutenberg

So had everything that had a mineral origin and been changed by refinement and mixture: concrete, wrought iron, brick, but steel and glass, porcelain and paint remained.

From Project Gutenberg