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colluvium
col·lu·vi·um C0485000 (kə-lo͞o′vē-əm)n. pl. col·lu·vi·ums or col·lu·vi·a (-vē-ə) A loose deposit of rock debris accumulated through the action of gravity at the base of a cliff or slope.
[Latin, a collection of washings, dregs, from colluere, to wash thoroughly : com-, intensive pref.; see com- + -luere, to wash; see leu(ə)- in Indo-European roots.]
col·lu′vi·al adj.colluvium (kəˈluːvɪəm) n, pl -via (-vɪə) or -viums (Geological Science) a mixture of rock fragments from the bases of cliffs[Latin: collection of filth, from colluere to wash thoroughly, from com- (intensive) + luere to wash] colˈluvial adjcol•lu•vi•um (kəˈlu vi əm)
n., pl. -vi•a (-vi ə) -vi•ums. loose earth material that has accumulated at the base of a slope; talus. [1935–40; < Latin colluv-, base of colluere to rinse, wash out <lavere to wash; compare alluvium, deluge] col•lu′vi•al, adj. TranslationsColluvium
colluvium[kə′lü·vē·əm] (geology) Loose, incoherent deposits at the foot of a slope or cliff, brought there principally by gravity. Colluvium fragmental material accumulating on mountain slopes or at the foot of slopes owing to displacement from higher areas by gravity (talus, creep, and slides) or the movement of thawing, water-saturated products of weathering in areas of permafrost. AcronymsSeeCLVM |