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

  • n. A sand or sediment having a dark greenish color caused by the presence of glauconite.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A greenish sandstone containing glauconite

from the GNU version of the Collaborative International Dictionary of English

  • adj. molding sand used for a mold while slightly damp, and not dried before the cast is made.
  • n. A variety of sandstone, usually imperfectly consolidated, consisting largely of glauconite, a silicate of iron and potash of a green color, mixed with sand and a trace of phosphate of lime.

from The Century Dictionary and Cyclopedia

  • n. A sandstone containing grains of glauconite, which impart to it a greenish hue.
  • n. In geological classification, one of certain subdivisions of the Cretaceous system.

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

  • n. an olive-green sandstone containing glauconite


Sorry, no etymologies found.



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