alluvial

[ uh-loo-vee-uh l ]
/ əˈlu vi əl /

adjective

of or relating to alluvium.

noun

alluvial soil.
Australia. gold-bearing alluvial soil.

Origin of alluvial

First recorded in 1795–1805; alluvi(um) + -al1

OTHER WORDS FROM alluvial

non·al·lu·vi·al, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for alluvial

British Dictionary definitions for alluvial

alluvial
/ (əˈluːvɪəl) /

adjective

of or relating to alluvium

noun

another name for alluvium
Australian and NZ alluvium containing any heavy mineral, esp gold
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for alluvial

alluvium
[ ə-lōōvē-əm ]

Plural alluviums 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.

Other words from alluvium

alluvial adjective
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.