pipeclay, terra alba - fine white clay used in making tobacco pipes and pottery and in whitening leather --2is a kind ofclay
china clay, china stone, kaolin, kaoline, porcelain clay, terra alba - 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) --3is a kind ofclay --3is a substance of Kaopectate