from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. See meerschaum.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hydrated magnesium silicate, claylike mineral used for carving into decorative articles and smoking pipes

from the GNU version of the Collaborative International Dictionary of English

  • n. Meerschaum. See meerschaum.

from The Century Dictionary and Cyclopedia

  • n. The mineralogical name for the hydrous magnesium silicate meerschaum. See meerschaum.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a white clayey mineral


Greek sēpion, cuttlebone (from sēpiā, cuttlefish; see sepia) + -lite.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From its resemblance to cuttlefish bone (Wiktionary)


  • Fuller’s earth: Major producers of fuller’s earth are the United States (attapulgite, smectite), Spain (attapulgite, sepiolite), and Senegal (attapulgite).


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