volcanic

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

vol·can·ic /vɒlˈkænɪk $ vɑːl-/ adjective HErelating to or caused by a volcano 火山的；由火山作用引起的 black volcanic sand 黑色的火山砂

Examples from the Corpus

volcanic• Eventually granite intrusions are emplaced at high levels within the mountain mass and volcanic activity develops.• While forests were being buried there was volcanic activity.• The Banda archipelago is volcanic and luxuriously tropical, perfect for snorkelling and diving.• volcanic ash• Natural catastrophes, such as volcanic eruptions, may result in sites being buried very rapidly.• For example, many early human artifacts, such as arrowheads, are made of obsidian, a volcanic glass.• The shape and direction of the valleys have been influenced by the location of the more easily eroded volcanic material.• El Golfo An unusual, vividly green lagoon, separated from the sea by a beach of black volcanic sand.• a volcanic temper