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

Among the many sounds and smells of the steelworks, Steve's most notable memory is the smell of "rotten eggs", which comes from the slag that's formed during the steel-making process.

From BBC • Sep. 22, 2024

“There were high concentrations of slag in these, which is a glass-like material that makes them maybe a little bit more brittle in the cold,” she says.

From BBC • Aug. 13, 2024

"We found the combination of cement clinker and iron oxide is an excellent steelmaking slag because it foams and it flows well," said Dunant.

From Science Daily • May 22, 2024

Mecca is surrounded by the crudest-looking mountains I have ever seen; they seem to be made of the slag from a blast furnace.

From "The Autobiography of Malcolm X" by Alex Malcolm X;Hailey