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colluvium
[ kuh-loo-vee-uhm ]
noun
, Geology.
, plural col·lu·vi·a [k, uh, -, loo, -vee-, uh], col·lu·vi·ums.
- 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.
colluvium
/ kəˈluːvɪəm /
noun
- a mixture of rock fragments from the bases of cliffs
colluvium
/ kə-lo̅o̅′vē-əm /
, Plural colluviums
- A loose deposit of rock debris accumulated through the action of rainwash or gravity at the base of a gently sloping cliff or slope.
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Derived Forms
- colˈluvial, adjective
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Other Words From
- col·luvi·al adjective
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Word History and Origins
Origin of colluvium1
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Word History and Origins
Origin of colluvium1
Latin: collection of filth, from colluere to wash thoroughly, from com- (intensive) + luere to wash
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