terra alba

/ˌˈtɛrə ˌælbə/

Definitions of terra alba

1. noun

   fine white clay used in making tobacco pipes and pottery and in whitening leather
   synonyms: pipeclay

   type of:

   clay

   a very fine-grained soil that is plastic when moist but hard when fired
2. noun

   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)
   synonyms: china clay, china stone, kaolin, kaoline, porcelain clay

   type of:

   clay

   a very fine-grained soil that is plastic when moist but hard when fired
3. noun

   finely pulverized gypsum used especially as a pigment
   type of:

   gypsum

   a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris)