Is “Caliche” a Scrabble word?
Yes
CALICHE
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Caliche
/kəˈlitʃi/
noun
1.A crude form of sodium nitrate from South America; used as a fertilizer.
2.A layer of hard clay subsoil or sedimentary rock; hardpan.