1. the scientific study of volcanoes and volcanic phenomena
Usage: also spelled volcanology

Examples

• She earned her PhD in vulcanology and now studies active volcanoes around the world.
• The university’s vulcanology department monitors seismic activity near Mount St. Helens.
• Advances in vulcanology have helped scientists better predict volcanic eruptions.
• His research in vulcanology focuses on the chemical composition of volcanic gases.
• The vulcanology team collected lava samples from the recently active crater.
• Modern vulcanology uses satellite imagery to track volcanic ash clouds.