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

Excavations and geophysical surveys in this area revealed crucibles, slag, and tin bronze artifacts.

From Science Daily • Dec. 5, 2025

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

From BBC • Feb. 26, 2025

He has spent time exploring and photographing the area's trails and hillsides dotted with slag heaps of slate spoils, its old quarry sites and abandoned machinery.

From BBC • Dec. 28, 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