chain reaction
Say it: chain ree-AK-shun /ˌtʃeɪn rɪˈakʃ(ə)n/ · noun
What “chain reaction” means
Events where each one causes the next.
More precisely: A series of events in which each one causes the next.
Example: “One delayed flight set off a chain reaction of missed connections across Europe.”
When to use it
In science or everyday storytelling, for a sequence of consequences started by one event, often spreading further than expected.
Similar words
domino effect, knock-on effect, cascade
Quick check
A rolling ball knocks over a book, which tips a cup, which spills onto a toy switch. That's…
a chain reaction or a coincidence?
Show the answer
a chain reaction
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