a snowball effect
US /ə ˈsnoʊ.bɔːl ɪˈfekt/
UK /ə ˈsnoʊ.bɔːl ɪˈfekt/
1.
effet boule de neige
a situation in which something increases in size or importance at a faster and faster rate
:
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The scandal had a snowball effect, growing larger with each new revelation.
Le scandale a eu un effet boule de neige, grandissant avec chaque nouvelle révélation.
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The small protest quickly gained momentum, creating a snowball effect that led to a nationwide movement.
La petite manifestation a rapidement pris de l'ampleur, créant un effet boule de neige qui a conduit à un mouvement national.