noun ca·li·che \kə-ˈlē-chē\

Definition of caliche

  1. 1 :  the nitrate-bearing gravel or rock of the sodium nitrate deposits of Chile and Peru

  2. 2 :  a crust of calcium carbonate that forms on the stony soil of arid regions

Origin and Etymology of caliche

American Spanish, from Spanish, flake of lime, from cal lime, from Latin calx — more at chalk

First Known Use: 1833

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