Definition, Meaning & Synonyms

basalt

Noun
/bəˈsɔlt/
Definition
A dark, fine-grained volcanic rock that is formed from the rapid cooling of basaltic lava exposed at or very near the surface of a planet or moon.
Examples
  • Many islands in the Pacific are formed primarily of basalt.
  • The building’s facade is made of polished basalt, giving it a striking appearance.
  • Basalt columns can be seen at various locations worldwide, showcasing its unique geological formations.
Meaning
Basalt is a type of igneous rock that is commonly found in the Earth’s crust and is known for its high iron content and ability to form from volcanic activity.
Synonyms
  • lava rock
  • volcanic rock
  • igneous rock