extrusive
🇺🇸
/ɪkˈstruːsɪv/
🇬🇧
/ɪkˈstruːsɪv/
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.
지질학자는 지역의 화산 역사 이해를 위해 외생 암석을 연구했습니다.