Meaning of the word "chain reaction" in English

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

chain reaction

US /ˈtʃeɪn riˈæk.ʃən/
UK /ˈtʃeɪn riˈæk.ʃən/
"chain reaction" picture

Noun

1.

a series of events, each caused by the previous one, that happen in a continuous and often uncontrolled way

Example:
The collapse of one bank caused a chain reaction throughout the financial system.
His bad mood started a chain reaction of arguments in the office.
2.

a nuclear reaction in which a neutron causes a nucleus to fission, releasing more neutrons which in turn cause further fissions

Example:
The uncontrolled chain reaction in the reactor led to the meltdown.
Scientists are studying ways to control nuclear chain reactions for energy production.
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