CALDERA


Meaning of CALDERA in English

[cal.de.ra] n [Sp, lit., caldron, fr. LL caldaria--more at cauldron] (1691): 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

Merriam-Webster English vocab.      Английский словарь Merriam Webster.