terra alba

n 1: finely pulverized gypsum used especially as a pigment

2: fine white clay used in making tobacco pipes and pottery and

in whitening leather [syn: {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) [syn: {china

clay}, {china stone}, {kaolin}, {kaoline}, {porcelain clay}]