Meltdown
来自Big Physics
wiktionary
From the verb phrase melt down.
etymonline
meltdown (n.)
by 1922 as "an act or the process of melting metal;" by 1956 in reference to the accidental melting of the core of a nuclear reactor, from the verbal phrase (1630s), from melt (v.) + down (adv.). Metaphoric extension "breakdown in self-control" is attested since 1979.
