basalt
1 of 1noun/bəˈsɔlt/
Forms:basalts
1
a type of dark, fine-grained igneous rock formed from cooled lava, characterized by its dense composition and typically dark gray to black color
- The volcanic island was primarily composed of basalt.
- Basalt is commonly used as a building material due to its durability and resistance to weathering.
- The cliffs were made of basalt, giving them a dark appearance.
- Basalt is commonly used in construction for its durability.
- Geologists study basalt to learn about volcanic activity.