alluvial plain

noun

1
: a level or gently sloping flat or a slightly undulating land surface resulting from extensive deposition of alluvial materials by running water
2
: a plain formed by lateral coalescence of alluvial fans
a piedmont alluvial plain
compare bajada

Word History

First Known Use

1803, in the meaning defined at sense 1

Time Traveler
The first known use of alluvial plain was in 1803

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Dictionary Entries Near alluvial plain

Cite this Entry

“Alluvial plain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alluvial%20plain. Accessed 23 Nov. 2024.

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