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PREFERRED TERM
core meltdown  
DEFINITION
  • An accidental overheating of the part of the nuclear reactor where fission takes place, causing fuel elements and other parts of the reactor to melt, potentially leading to catastrophic consequences in which dangerous levels of radioactive materials would be released into the environment.
BROADER CONCEPT
BELONGS TO GROUP
URI
http://www.eionet.europa.eu/gemet/concept/1799
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