Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “chain reaction”

See all translations

chain reaction

noun [C] uk   us  
a set of related events in which each event causes the next one, or a chemical reaction in which each change causes another: The war risked setting off a perilous chain reaction that would endanger the whole world.
Translations of “chain reaction”
in Chinese (Traditional) 連鎖反應,鏈式反應…
in Russian цепная реакция…
in Turkish sıralı, birbiri peşisıra olan tepki…
in Chinese (Simplified) 连锁反应,链式反应…
in Polish reakcja łańcuchowa…
(Definition of chain reaction from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of chain reaction?
Add Cambridge dictionaries to your browser to your website

Definitions of “chain reaction” in other dictionaries

Word of the Day

past participle

the form of a verb, usually made by adding -ed, used in some grammatical structures such as the passive and the present perfect

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More