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L'inondazione ha distrutto diversi paesi della valle.
The flood destroyed several towns in the valley.
An overflow of water that submerges land which is usually dry.
Dopo giorni di pioggia incessante, c'è stata un'inondazione che ha isolato il villaggio.
After days of relentless rain, there was a flood that cut off the village.
In Italian, 'inondazione' can refer to both natural disasters and metaphorical overflows (e.g., 'inondazione di richieste' = 'flood of requests').
'Inondazione' is a broader term for flooding, while 'alluvione' often implies a sudden, destructive flood caused by rivers or heavy rain. 'Allagamento' refers to localized flooding, typically in urban areas.
From Latin *inundatio*, *inundationis*, from *inundare* ('to flood'), from *in-* ('into') + *unda* ('wave').
Common in both formal and technical contexts, especially in meteorology and disaster management. Avoid using it for minor water overflows (use 'allagamento' instead).