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 (kăl-dâr′ə, -dîr′ə, käl-)
A large crater formed by volcanic explosion or by collapse of a volcanic cone.

[Spanish, cauldron, caldera, from Late Latin caldāria; see cauldron.]


(kælˈdɛərə; ˈkɔːldərə)
(Physical Geography) a large basin-shaped crater at the top of a volcano, formed by the collapse or explosion of the cone. See cirque
[C19: from Spanish Caldera (literally: cauldron), name of a crater in the Canary Islands]


(kælˈdɛr ə, kɔl-)

n., pl. -ras.
a large, basinlike depression resulting from the explosion or collapse of the center of a volcano.
[1860–65; < Sp Caldera literally, cauldron < Late Latin caldāria]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.caldera - a large crater caused by the violent explosion of a volcano that collapses into a depressioncaldera - a large crater caused by the violent explosion of a volcano that collapses into a depression
crater, volcanic crater - a bowl-shaped geological formation at the top of a volcano


[kælˈdɛərə] n (Geol) → caldera
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