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Definitions

basalt

[buh-sawlt, bas-awlt, bey-sawlt] / bəˈsɔlt, ˈbæs ɔlt, ˈbeɪ sɔlt /
NOUN
lava
Synonyms


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.

They found that large areas of solid basalt or magmatic rock best match the data.

From Science Daily • May 5, 2026

The 129-foot waterfall — a wide curtain of white water cascading from a basalt cliff face — generates its own rainbow and once was dubbed the “Eighth Wonder of the World” by President Theodore Roosevelt.

From Los Angeles Times • May 5, 2026

BOISE, Idaho—Each afternoon at around 4:30, the earth here shakes from a series of controlled explosions, as engineers blast through basalt bedrock to flatten out the ground underneath a gigantic new semiconductor factory.

From The Wall Street Journal • Feb. 17, 2026

The worst affected are the basalt columns that make up The Loom – 10 ft high leaning towers of rock.

From BBC • May 27, 2025

The basalt highway led gradually downward, and after a while the slope increased, so the creatures could freewheel.

From "The Amber Spyglass" by Philip Pullman




Vocabulary lists containing basalt