- severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping
- a disaster comparable to a nuclear meltdown;
- "there is little likelihood of a meltdown comparable to the American banking collapse in March 1933"
- MELTDOWN n pl. -S the melting of the core of a nuclear reactor
Scrabble Score: 14meltdown is a valid Scrabble (US) TWL word
meltdown is a valid Scrabble Word in Merriam-Webster MW Dictionary
meltdown is a valid Scrabble Word in International Collins CSW Dictionary
Words With Friends Score: 17meltdown is a valid Words With Friends word