Meaning of the word "melt down" in English

What does "melt down" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

melt down

US /ˈmɛltˌdaʊn/
UK /ˈmɛltˌdaʊn/

Noun

1.

a disastrous collapse or breakdown, especially of a nuclear reactor core or a financial system

Example:
The company experienced a financial meltdown after the stock market crash.
The nuclear reactor was on the verge of a meltdown.
2.

an instance of losing emotional control, especially as a result of stress

Example:
The child had a complete meltdown in the supermarket when he couldn't get the toy he wanted.
After weeks of intense pressure, she had a public meltdown during the press conference.

Phrasal Verb

1.

to lose emotional control and become very upset

Example:
The toddler started to melt down when his ice cream fell on the ground.
I thought I was going to melt down from all the stress at work.
2.

for a nuclear reactor core to overheat and melt

Example:
There was a fear that the reactor would melt down after the earthquake.
Safety protocols are in place to prevent a nuclear reactor from melting down.