| 单词 | colluvium |
| 释义 | colluvium —colluvial, adj. /keuh looh"vee euhm/, n. , pl. colluvia /-vee euh/, colluviums. Geol. 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. [1935-40; < NL, equiv. to L colluv-, base of colluere to wash out (see COLLUTORY) + -ium -IUM, on the model of L alluvium ALLUVIUM, diluvium DELUGE] |
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