100-year flood
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English
[edit]Noun
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/fd/Kaskaskia_Island_1993_flooding.jpg/220px-Kaskaskia_Island_1993_flooding.jpg)
100-year flood (plural 100-year floods)
- A flood event that has a 1% probability of occurring in any given year; an exceptionally large flood.
100-year flood (plural 100-year floods)