Caldera (noun)

A large, circular volcanic crater, usually formed by the collapse of a volcanic cone after a volcanic eruption.

Origin:

The word 'caldera' comes from spanish, meaning 'cauldron' or 'kettle'.

Examples:

1. The caldera was formed after a massive volcanic eruption, which destroyed the surrounding landscape and created the large crater.
2. The caldera was a popular tourist destination, attracting visitors who wanted to see the unique geological formation.
3. The caldera was a dangerous place, as it was prone to frequent volcanic activity and earthquakes.
4. The caldera was home to many unique plant and animal species, adapted to the harsh volcanic environment.
5. The caldera was a valuable scientific resource, providing researchers with important information about the formation and behavior of volcanic systems.