from The Century Dictionary.

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

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) Meerschaum. See meerschaum.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

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

  • noun a white clayey mineral


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

[Greek sēpion, cuttlebone (from sēpiā, cuttlefish; see sepia) + –lite.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From its resemblance to cuttlefish bone


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

    Clay 2008


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