- terra alba - finely pulverized gypsum used especially as a pigment
--1 is a kind of gypsum
- pipeclay, terra alba - fine white clay used in making tobacco pipes and pottery and in whitening leather
--2 is a kind of clay
- 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)
--3 is a kind of clay
--3 is a substance of Kaopectate - pipeclay, terra alba - fine white clay used in making tobacco pipes and pottery and in whitening leather