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alluvial plain

SEE MORE SYNONYMS FOR alluvial plain ON THESAURUS.COM

noun

a level or gently sloping surface formed of sediments laid down by streams, generally during flooding.

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RELATED WORDS

delta, floodplain

Nearby words

Origin of alluvial plain

First recorded in 1955–60

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019