eruptive
/ɪˈrʌptɪv/adjective
1- of, relating to, or formed by volcanic activity（与）火山活动（有关）的; 火山活动形成的：
a history of the eruptive activity in an area.
某地区的火山喷发活动历史。
1.1
- producing or characterized by eruptions疹子的; 发疹性的：
an acute eruptive disease.
急性发疹性疾病。