caldera

[ kal-der-uh, kawl- ]
/ kælˈdɛr ə, kɔl- /

noun

a large, basinlike depression resulting from the explosion or collapse of the center of a volcano.

Origin of caldera

1860–65; < Spanish Caldera, name of a crater on Canary Islands, literally, cauldron < Late Latin caldāria, noun use of feminine of caldārius of warming; see caldarium
Can be confusedcaldera fumarole geyser volcano
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for caldera

caldera

/ (kælˈdɛərə, ˈkɔːldərə) /

noun

a large basin-shaped crater at the top of a volcano, formed by the collapse or explosion of the coneSee cirque

Word Origin for caldera

C19: from Spanish Caldera (literally: cauldron), name of a crater in the Canary Islands
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for caldera

caldera

[ kăl-dârə, -dîrə, käl- ]

A large, roughly circular crater left after a volcanic explosion or the collapse of a volcanic cone. Calderas are typically much wider in diameter than the openings of the vents from which they were formed.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.