Extrusive
Pronunciation: /ˈɛksˈtɹəsˈaɪˈvi/
Extrusive (adjective)
- Describing rocks formed from lava that cools quickly on Earth's surface.
Examples
- The mountain is composed of extrusive rocks.
- Extrusive rocks form when lava cools quickly.
Common collocations: extrusive lava, extrusive formation, extrusive process