单词 | caliche |
释义 | ca·li·che ![]() n. 1. a. A mineral deposit rich in sodium nitrate occurring naturally in Chile, Peru, and the southwest United States, and used as fertilizer, in explosives, and as a raw material for manufacturing nitric acid. b. See sodium nitrate. 2. a. The accretions of calcium carbonate in soil. b. See hardpan. [American Spanish, from Spanish, pebble in a brick, flake of lime, from cal, lime, from Latin calx, calc-, lime; see CALX.] |
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