slag

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Copper, steel, aluminum and precious metals can be recovered, but rare-earth metals typically fuse with other byproducts in waste called slag.

From The Wall Street Journal • Jan. 23, 2026

Nearby, excavators found iron slag - some of it fused to the furnace wall - hinting at advanced metalworking techniques.

From BBC • Feb. 26, 2025

Bryan had told his son he would train by running up and down the slag heaps behind his house.

From BBC • Jan. 30, 2025

"And if you get the balance right and cool the slag quickly enough, you end up with reactivated cement, without adding any cost to the steelmaking process."

From Science Daily • May 22, 2024

“You distinctly said the west, because then I said, ‘Next to the slag heap?’ and you said, ‘Yeah,’” I say.

From "Catching Fire" by Suzanne Collins