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

She argues that incineration increases residual slag and releases harmful toxins like mercury and dioxins.

From BBC • Jan. 22, 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

Smithy shrugged and tossed it over his shoulder into a slag pile.

From "The Many Assassinations of Samir, the Seller of Dreams" by Daniel Nayeri