Caliche has 3 different meanings across 1 category:
Noun
Noun
1
crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
2
nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru
3
A crude form of sodium nitrate from South America; used as a fertilizer.
Broader Terms (hypernyms)