al·lu·vi·al
ə-ˈlü-vē-əl 
: relating to, composed of, or found in alluvium
alluvial soil
alluvial diamonds
: an alluvial deposit
Examples of alluvial in a Sentence
Recent Examples on the Web
Laura Mallonee, Wired News, 12 Apr. 2025
While not on a geologic fault, Bangkok is built on relatively unstable alluvial soil, on the banks of the Chao Phraya River.
—Arkansas Online, 1 Apr. 2025
Arlyssa D. Becenti, The Arizona Republic, 25 May 2024
See All Example Sentences for alluvial
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Adjective
But the rich, alluvial soil that allowed such wonders to thrive drew developers, who arrived with the completion of a railroad in 1904.
—Laura Mallonee, Wired News, 12 Apr. 2025
While not on a geologic fault, Bangkok is built on relatively unstable alluvial soil, on the banks of the Chao Phraya River.
—Arkansas Online, 1 Apr. 2025
Noun
The tribe should also cap all further wells along the alluvial of the LCR on upstream users and require or ensure the water that reaches Navajo meets federal EPA water quality standards, as there are sources of contamination upstream.
—Arlyssa D. Becenti, The Arizona Republic, 25 May 2024
See All Example Sentences for alluvial
Cite this Entry
“Alluvial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alluvial. Accessed 26 Apr. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share