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

• Pinkertons
• pinkest
• pink-eye
• pink-eyed
• pink gin
• pink gins
• pinkie
• pinkier
• pinkies
• pinkiest
• pinkiness
• pinkinesses
• pinking
• pinking iron
• pinking irons
• pinkings
• pinking shears
• pinkish
• pinkishness
• pinkishnesses
• Pink Lady
• pinkness
• pinknesses
• pink noise
• pinko