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grindstone |
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grindstone 1. a. a machine having a circular block of stone or composite abrasive rotated for sharpening tools or grinding metal b. the stone used in this machine c. any stone used for sharpening; whetstone 2. another name for millstone grindstone [′grīnd‚stōn] (engineering) A stone disk on a revolving axle, used for grinding, smoothing, and shaping. grindstone or grind common metaphor for industriousness. [Pop. Culture: Misc.] See : Industriousness How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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