alluvia

noun, plural al·lu·vi·ums, al·lu·vi·a

[uh-loo-vee-uh] .

a deposit of sand, mud, etc., formed by flowing water.

the sedimentary matter deposited thus within recent times, especially in the valleys of large rivers.

Origin:
1655–65; < Latin, noun use of neuter of alluvius washed against, equivalent to alluv- (see alluvion) + -ius, -ium adj. suffix; see -ium

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World English Dictionary

alluvium (əˈluːvɪəm)

—n , pl -viums, -via
	a fine-grained fertile soil consisting of mud, silt, and sand deposited by flowing water on flood plains, in river beds, and in estuaries

[C17: from Latin; see alluvion]

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00:10

Alluvia is always a great word to know.

So is slumgullion. Does it mean:

a stew of meat, vegetables, potatoes, etc.

a gadget; dingus; thingumbob.

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Etymonline

Word Origin & History

alluvium

"matter deposited by flowing water," 1660s, from M.L. alluvium, neut. of alluvius "washed against," from L. alluere "wash against," from ad- "to, against" + -luere, comb. form of lavere "to wash" (see lave).

Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage

Science Dictionary

alluvium

(ə-l

'vē-əm) Pronunciation Key
Plural alluviums or alluvia
Sand, silt, clay, gravel, or other matter deposited by flowing water, as in a riverbed, floodplain, delta, or alluvial fan. Alluvium is generally considered a young deposit in terms of geologic time.

alluvial adjective

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