alluvial plain
noun
a level or gently sloping surface formed of sediments laid down by streams, generally during flooding.
Origin of alluvial plain
First recorded in 1955–60
Words nearby alluvial plain
allusion,
allusive,
alluvial,
alluvial fan,
alluvial mining,
alluvial plain,
alluvion,
alluvium,
ally,
allyl,
allyl alcohol