alluvial

1 of 2

adjective

al·​lu·​vi·​al ə-ˈlü-vē-əl How to pronounce alluvial (audio)
: relating to, composed of, or found in alluvium
alluvial soil
alluvial diamonds

alluvial

2 of 2

noun

: an alluvial deposit

Examples of alluvial in a Sentence

Recent Examples on the Web
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
The terrain consists of alluvial plains, gravel, and clay loam. Joseph V Micallef, Forbes, 17 Sep. 2024 The soils are free-draining alluvial loam over gravel. Joseph V Micallef, Forbes, 17 Sep. 2024
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 Key to that fight is destroying and seizing the costly heavy machinery that’s being used in the operations — most blatantly the diggers and dredges employed in riverside, or alluvial, mining. Jim Wyss and Kyra Gurney, miamiherald, 16 Jan. 2018 See all Example Sentences for alluvial 

Word History

First Known Use

Adjective

1771, in the meaning defined above

Noun

1816, in the meaning defined above

Time Traveler
The first known use of alluvial was in 1771

Dictionary Entries Near alluvial

Cite this Entry

“Alluvial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alluvial. Accessed 25 Dec. 2024.

Kids Definition

alluvial

adjective
al·​lu·​vi·​al
ə-ˈlü-vē-əl
: relating to, composed of, or found in alluvium

More from Merriam-Webster on alluvial

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!