Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A tough, silicified limestone formerly used to make millstones. It is typified by the presence of multiple cavities that originally housed fossilized shells.
from The Century Dictionary.
- noun See
burstone .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A cellular, flinty rock, used for mill stones.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Alternative spelling of
burrstone .
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
[Variant of burr + stone.]
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Examples
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The quartzite in Montgomery, takes the form of a buhrstone, which is supposed to be valuable for the manufacture of mill stones.
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On Laurel River in Madison is a peculiar cherty splintered whitish quartz rock which Mr. George Gehagan has manufactured into millstones, which are described as nearly equal in performance to the French buhrstone.
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It is like the buhrstone of Paris, very tough and hard, and perfectly adapted to grinding wheat.
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Page 58 that on Laurel River in Madison County is also said to be equal to the French, and in Montgomery County, on the Yadkin, the same resemblance to the French buhrstone exists.
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