meltdown - definition and synonyms

noun [countable/uncountable] 

Your browser doesn’t support HTML5 audio

/ˈmeltˌdaʊn/
singularmeltdown
pluralmeltdowns
  1. 1
    physics an accident in a nuclear reactor in which the temperature increases in the nuclear fuel until it melts and bursts through its container so that radiation comes out
  2. 2
    a sudden and complete failure of a company, organization, or system

    fear of a global financial meltdown

     Synonyms and related words