In the late 18th century, Vulcanism persuaded several prominent geologists that many rock formations were the result of fire, setting it in direct opposition to Neptunism.

In the 19th-century debate, proponents of vulcanism argued that igneous activity shaped the Earth's surface.

Geologists studied ancient vulcanisms to understand past climate shifts.

At the airshow, the Vulcan performed a thunderous flypast that reminded the crowd of Cold War-era aviation.

Vulcan hammered molten iron on the anvil while the apprentices watched in awe.

A Vulcan diplomat emphasized the importance of logic over emotion during the debate.

After years of fieldwork, she finally published a comprehensive study on the atmospheric cycles of Vulcan.

The factory planned to vulcanize the newly produced rubber hoses before shipment to ensure durability.

She vulcanized the rubber grips yesterday to improve their durability.

The factory scheduled the vulcanization of conveyor belts for next Tuesday to improve durability.