meltdown /ˈmɛltˌdaʊn/ noun plural meltdowns
plural meltdowns
Learner's definition of MELTDOWN
1
: an accident in which the core of a nuclear reactor melts and releases radiation(核反应堆的)遇热熔毁 [count]
[noncount]
2
a : a very fast collapse or failure崩盘;快速解体 [count]
[noncount]
b [count] chiefly US, somewhat informal : a very fast loss of emotional self-control情绪突然失控 — see also melt down at 1melt