WordWeb Online

1. Finely pulverized gypsum used especially as a pigment
    
2. Fine white clay used in making tobacco pipes and pottery and in whitening leather
   - pipeclay
    
3. A fine usually white clay formed by the weathering of aluminous minerals (as feldspar); used in ceramics and as an absorbent and as a filler (e.g., in paper)
   - china clay, china stone, kaolin, kaoline, porcelain clay

Type of: clay, gypsum

Part of: Kaopectate