1. [ noun ] (geology) fine white clay used in making tobacco pipes and pottery and in whitening leather
Synonyms: pipeclay
Related terms: clay
2. [ noun ] (geology) finely pulverized gypsum used especially as a pigment
Related terms: gypsum
3. [ noun ] (geology) 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)
Synonyms: china_stone kaolin kaoline porcelain_clay china_clay
Related terms: clay kaopectate art_paper