flash flood

nounmasculinetécnico/ɐluˈvjɐ̃w̃/rare

a·lu·vi·ão

Definitions

1A sudden and severe flood.

The mountain village was hit by a devastating flash flood.

Heavy rains can trigger flash floods in arid regions.

syn

Common collocations

devastating flash floodsudden flash floodrisk of flash flood

2A deposit of clay, silt, sand, and gravel left by flowing streams.

The valley floor is composed of fertile alluvium.

Gold panning is done in the alluvium of the river.

syn

Common collocations

river alluviumfertile alluviumalluvium deposit

Do latim 'alluvio, -onis'.