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caldera

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noun cal·de·ra \kal-ˈder-ə, kȯl-, -ˈdir-\

Definition of caldera

  1. :  a volcanic crater that has a diameter many times that of the vent and is formed by collapse of the central part of a volcano or by explosions of extraordinary violence



Origin of caldera

Spanish, literally, caldron, from Late Latin caldaria — more at cauldron


First Known Use: 1691

Rhymes with caldera


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