What is the meaning of meltdown?

noun

  • Severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping.
  • A disaster comparable to a nuclear meltdown.
    • usage: "there is little likelihood of a meltdown comparable to the American banking collapse in March 1933"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). meltdown. Retrieved September 20, 2026, from http://smartdefine.org/meltdown/definitions/1219548
ChicagoWordNet. 2010. "meltdown" http://smartdefine.org/meltdown/definitions/1219548 (accessed September 20, 2026).
HarvardWordNet 2010, meltdown, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/meltdown/definitions/1219548>.
MLAWordNet. "meltdown" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/meltdown/definitions/1219548>