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BNC: 27777 COCA: 25722

alluvial

1 ENTRIES FOUND:
alluvial ˈluːvijəl/ adjective
alluvial
ˈluːvijəl/
adjective
Learner's definition of ALLUVIAL
geology
: made up of or found in the materials that are left by the water of rivers, floods, etc.冲积的;淤积的
BNC: 27777 COCA: 25722

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

Example Sentences

Recent Examples on the Web
Adjective
Stands of honey mesquite, towering cottonwoods and willows anchored alluvial lands made fertile by muddy deposits left behind by the river. AZCentral.com, 8 Aug. 2022 Lucapa said the Lulo Rose is believed to be the biggest pink diamond recovered in the last 300 years and the fifth-largest diamond ever discovered at the Lulo alluvial mine, where the stones are extracted from a riverbed. Morgan Winsor, ABC News, 28 July 2022 In alluvial diamond mining, stones are recovered from gravel and sand found on riverbeds. Kathleen Magramo, CNN, 27 July 2022 With a staff of 400, Lulo is an alluvial mine where stones are recovered from the river bed. Demetrius Simms, Robb Report, 28 July 2022 Miners discovered the 170-carat pink stone at the open pit Lulo alluvial mine in the northeast region of the southern African nation. Orlando Mayorquin, USA TODAY, 27 July 2022 Lulo is an alluvial mine, which means the stones are recovered from a river bed. Nqobile Ntshangase, Chicago Tribune, 27 July 2022 Gone—submerged far below and in many instances torn apart—were the wing dams, the telltale islands beloved by John and used for navigation by tug pilots, and the lowland farms cashing in on the rich alluvial plains. W. Hodding Carter, Outside Online, 29 June 2011 These districts — Gualtallary, Tupungato, San Pablo and Paraje Altamira, where the winery is located, represent the alluvial fans created as the Andes were formed eons ago. Dave Mcintyre, Washington Post, 23 June 2022
Noun
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 More

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
BNC: 27777 COCA: 25722

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