meltdown

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping
• Syn:
nuclear meltdown
• Hypernyms:
overheating
2. a disaster comparable to a nuclear meltdown
- there is little likelihood of a meltdown comparable to the American banking collapse in March 1933
• Hypernyms:
calamity, catastrophe, disaster, tragedy, cataclysm