volcanic

Definition

Of or pertaining to a volcano or volcanoes.

Etymology

From French volcanique, from volcan (“volcano”); and/or directly from volcan(o) + -ic.

Example Sentences

• "volcanic heat"
• "volcanic activity"
• "Some 200 million years ago, the rocks that became the Palisades cliffs just across the Hudson River from Manhattan formed during volcanic activity that helped rip apart the ancient supercontinent Pangea. That volcanism helped lead to the birth of the Atlantic Ocean while it also contributed to killing off as much as a quarter of all life on Earth during the event known as the end-Triassic mass extinction."