• (British) IPA: /kælˈdɛə.ɹə/, /ˈkɔːl.də.ɹə/
  • (America) IPA: /kælˈdɛɹ.ə/

caldera (plural calderas)

  1. (vulcanology) A large crater formed by collapse of the cone or edifice of a volcano.
    • 2000, Tony Waltham, Geyser watching, Geology Today Vol. 16, Iss. 3, p. 99:
      The lakes of both Rotorua and Taupo occupy calderas left from enormous prehistoric eruptions, and magma lies at shallow depths beneath a number of centres.
    Hypernyms: crater

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