Search Result for "caliche": 
Wordnet 3.0

NOUN (2)

1. crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions;
[syn: caliche, hardpan]

2. nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru;


The Collaborative International Dictionary of English v.0.48:

caliche \ca*li"che\ (k[.a]*l[=e]"ch[-e]), 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]
WordNet (r) 3.0 (2006):

caliche n 1: crust or layer of hard subsoil encrusted with calcium- carbonate occurring in arid or semiarid regions [syn: caliche, hardpan] 2: nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru