/keuh lee"chee/, n. Geol.
1. a surface deposit consisting of sand or clay impregnated with crystalline salts such as sodium nitrate or sodium chloride.
2. a zone of calcium carbonate or other carbonates in soils of semiarid regions.
[1855-60; < Sp: flake of lime, equiv. to cal lime ( < L calc-; see CHALK) + -iche n. suffix]

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Universalium. 2010.