domino effect
US /ˈdɑː.mɪ.noʊ ɪˌfekt/
UK /ˈdɑː.mɪ.noʊ ɪˌfekt/
1.
a cumulative effect produced when one event initiates a series of similar events
:
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The collapse of the first bank caused a domino effect throughout the financial system.
•
One small change can create a domino effect of improvements.