caliche
Concise Oxford English Dictionary © 2008 Oxford University Press:
caliche /kəˈliːtʃi/
▶noun
- 1 a mineral deposit of gravel, sand, and nitrates, found in dry areas of America.
- 2 another term for calcrete.
– origin C19: from Latin Amer. Sp.
'caliche' also found in these Oxford entries:

