| 单词 | caliche |
| 释义 | caliche /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. Cf. duricrust, hardpan. [1855-60; < Sp: flake of lime, equiv. to cal lime ( < L calc-; see CHALK) + -iche n. suffix] |
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