1774, from French volcanique, from Italian vulcanico, from vulcano (see volcano). Figurative sense of "prone to explosive activity" is attested from 1854.
实用例句
1. Weather satellites have observed a ring of volcanic ash girdling the earth.
气象卫星观测到一个环绕地球的火山灰带。
来自柯林斯例句
2. Mount Unzen has been spewing out volcanic ash, gas, and rock today.
云仙山今天一直在向外喷涌火山灰、气体和火山岩。
来自柯林斯例句
3. The volcano spewed out more scorching volcanic ashes, gases and rocks.
