alluvial terrace

noun

: a river terrace composed of alluvium rather than carved in solid rock, resulting from a change in the regimen of the stream from alluviation to downcutting

Word History

First Known Use

1817, in the meaning defined above

Time Traveler
The first known use of alluvial terrace was in 1817

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Dictionary Entries Near alluvial terrace

Cite this Entry

“Alluvial terrace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alluvial%20terrace. Accessed 22 May. 2024.

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