terra alba Hear it!

terra alba definition

terra alba (ter′ə al′bə)

any of several white mineral substances, as
  1. finely ground gypsum, used in making paints, paper, etc.
  2. pulverized kaolin, used in ceramics
  3. magnesia (sense )

Etymology: L, lit., white earth

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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