terra alba, n.
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)
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china clay china stone kaolin kaoline porcelain clay terra alba
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fine white clay used in making tobacco pipes and pottery and in whitening leather
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pipeclay terra alba
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finely pulverized gypsum used especially as a pigment
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terra alba
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