physicsan 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
Synonyms and related words
Nuclear power
atomic energy
cold fusion
core
2
a sudden and complete failure of a company, organization, or system
fear of a globalfinancial meltdown
Synonyms and related words
Failure
fail
fiasco
debacle
meltdown
noun countable/uncountable
US /ˈmeltˌdaʊn/
Word Forms
singular
meltdown
plural
meltdowns
DEFINITIONS2
1
physicsan 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
Synonyms and related words
Nuclear power
atomic energy
cold fusion
core
2
a sudden and complete failure of a company, organization, or system