Caldera
[kæl'dєәrә]
Definition
(noun.) a large crater caused by the violent explosion of a volcano that collapses into a depression.
Typist: Ollie--From WordNet
[kæl'dєәrә]
(noun.) a large crater caused by the violent explosion of a volcano that collapses into a depression.
Typist: Ollie--From WordNet