extrusive
🇺🇸
/ɪkˈstruːsɪv/
🇬🇧
/ɪkˈstruːsɪv/
adjective
R
Rocks or materials that are forced out onto the Earth's surface by volcanic activity.
The geologist studied the extrusive rocks to understand the region's volcanic history.
translation
Rocks or materials that are forced out onto the Earth's surface by volcanic activity.