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burrstone

 - 4 dictionary results

burr⋅stone

  [bur-stohn]
Use burrstone in a Sentence
–noun
burstone.

bur⋅stone

  [bur-stohn]
–noun
1. any of various siliceous rocks used for millstones.
2. a millstone of such material.
Also, buhrstone, burrstone.
Also called buhr, burr.

Origin:
bur(r) 4 + stone
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To burrstone
buhr·stone also burr·stone   (bûr'stōn')   
n.  A tough, silicified limestone formerly used to make millstones. It is typified by the presence of multiple cavities that originally housed fossilized shells.

[Variant of burr1 + stone.]
burr·stone   (bûr'stōn')   
n.  Variant of buhrstone.
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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