meltdown

A severe overheating of a nuclear reactor core, resulting in melting of the core and escape of radiation.

A disastrous situation; a failure or collapse.

An emotional breakdown.

Severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping.

A situation being likened to a nuclear meltdown; a crisis.

A tantrum.

severe overheating of the core of a nuclear reactor resulting in the core melting and radiation escaping

a disaster comparable to a nuclear meltdown