CALICHE

caliche

(noun) nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru

caliche, hardpan

(noun) crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions

Source: WordNet® 3.1

Etymology

Noun

caliche (countable and uncountable, plural caliches)

(mineral) A crude form of sodium nitrate from South America; used as a fertilizer.

A layer of hard clay subsoil or sedimentary rock; hardpan.

Anagrams

• chalice

Source: Wiktionary