caliche /ka-lēˈchā/

1. Sand containing Chile saltpetre
2. A crust of calcium carbonate that forms on the surface of the soil in arid regions

• non-things
• non-toxic
• non-U
• non-union
• non-unionist
• non-unionists
• nonuple
• nonuplet
• nonuplets
• non-usager
• non-usagers
• non-user
• non-users
• non-utility
• non-verbal
• non-vintage
• non-violence
• non-violent
• non-volatile
• non-volatile memory
• non-voter
• non-voters
• non-voting
• non-white
• non-whites