[ kuh-loo-vee-uhm ]
/ kəˈlu vi əm /
Save This Word!
noun, plural col·lu·vi·a [kuh-loo-vee-uh], /kəˈlu vi ə/, col·lu·vi·ums.Geology.
loose earth material that has accumulated at the base of a hill, through the action of gravity, as piles of talus, avalanche debris, and sheets of detritus moved by soil creep or frost action.
QUIZ YOURSELF ON THE MANY TYPES OF NOUNS
They're everywhere you turn, but can you identify the 10 types of nouns easily? This quiz will test your mettle against singular, plural, concrete, abstract, common, proper, collective, compound, countable, and uncountable nouns!
Question 1 of 7
Shoelaces, rainbow, toothpaste, and haircuts are all what type of noun?
Origin of colluvium
OTHER WORDS FROM colluviumcol·lu·vi·al, adjective
Words nearby colluvium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for colluvium
/ (kəˈluːvɪəm) /
noun plural -via (-vɪə) or -viums
a mixture of rock fragments from the bases of cliffs
Derived forms of colluviumcolluvial, adjective
Word Origin for colluvium
Latin: collection of filth, from colluere to wash thoroughly, from com- (intensive) + luere to wash
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
Scientific definitions for colluvium
[ kə-lōō′vē-əm ]
Plural colluviums colluvia
A loose deposit of rock debris accumulated through the action of rainwash or gravity at the base of a gently sloping cliff or slope.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.