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terra alba

[al-buh, awl-]
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noun
  1. any of various white, earthy or powdery substances, as pipe clay, gypsum, kaolin, or magnesia.

Origin of terra alba

1870–75; < Latin: white earth
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for terra alba

terra alba

noun
  1. a white finely powdered form of gypsum, used to make paints, paper, etc
  2. any of various other white earthy substances, such as kaolin, pipeclay, and magnesia

Word Origin

from Latin, literally: white earth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012