caliche

/kəˈliʃ/
IPA guide

Other forms: caliches

Definitions of caliche
  1. noun
    nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru
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    type of:
    rock, stone
    material consisting of the aggregate of minerals like those making up the Earth's crust
  2. noun
    crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
    synonyms: hardpan
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    type of:
    dirt, soil
    the part of the earth's surface consisting of humus and disintegrated rock
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