supereruption

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English[edit]

Etymology[edit]

From super- +‎ eruption.

Pronunciation[edit]

  • (UK) IPA(key): /ˌsuːpəɹᵻˈɹʌpʃn̩/

Noun[edit]

supereruption (plural supereruptions)

  1. (dentistry) Overeruption. [from 20th c.]
  2. The massive eruption of a supervolcano. [from 20th c.]
    • 2012, George Dyson, Turing's Cathedral, Penguin 2013, p. 204:
      The Los Alamos mesa rested against the eastern slope of the Jemez Mountains, on the rime of the Valles Caldera, formed as a result of two explosive super-eruptions 1.6 and 1.1 million years ago.