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bluestone

 - 2 dictionary results

blue⋅stone

[bloo-stohn]
–noun
a bluish, argillaceous sandstone used for building purposes, flagging, etc.

Origin:
1645–55; blue + stone
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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blue·stone   (blōō'stōn')   
n.  
  1. A bluish-gray sandstone used for paving and building.

  2. A stone similar to this kind of sandstone.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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