Longman Dictionary of Contemporary English homepage

Topic: PHYSICS

meltdown

 noun
     
melt‧down [uncountable and countable]
1TP a very dangerous situation in which the material inside a nuclear reactor melts and burns through its container, allowing radioactivity to escape
2 a situation in which prices fall by a very large amount or an industry or economic situation becomes much weaker:
The stock market crash might lead to financial meltdown.
Definition of meltdown from the Longman Dictionary of Contemporary English within
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