terra alba

definition: a fine usually white clay formed by the weathering of aluminous minerals (as feldspar)
example:
speech part: noun
synonyms: china clay
definition: fine white clay used in making tobacco pipes and pottery and in whitening leather
example:
speech part: noun
synonyms: pipeclay
definition: finely pulverized gypsum used especially as a pigment
example:
speech part: noun
synonyms:
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