GNU Collaborative International Dictionary of English

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  1.       
caliche (kȧ‑lēˈchḗ), n.
    1. a deposit of sand or clay on the surface containing crystallized salts such as sodium chloride or sodium nitrate; -- used especially of the sodium nitrate deposits of Chile and Peru. RHUD

    [PJC]


    2. a stratum of calcium carbonate in the soil of an arid or semiarid region.

    [PJC]

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