Definitions

1. noun

The process or phenomenon of volcanic activity, including the formation and eruption of volcanoes.

“The region is prone to intense volcanic activity, a result of the unique geology in the area.”

2. noun

The study of volcanoes and volcanic activity.

“The geologist spent years researching the history of volcanism in the region.”

3. noun

A phase of intense volcanic activity, often resulting in the formation of new land or the destruction of existing land forms.

“The volcanic eruption marked the beginning of a new era of volcanicism in the area.”