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WordReference Random House Learner's Dictionary of American English © 2024grind•stone /ˈgraɪndˌstoʊn/USA pronunciation n. [countable]- a rotating solid stone wheel used for sharpening, shaping, etc.
Idioms- Idioms keep or put one's nose to the grindstone, to work, study, or practice hard and steadily.
WordReference Random House Unabridged Dictionary of American English © 2024grind•stone (grīnd′stōn′),USA pronunciation n. - a rotating solid stone wheel used for sharpening, shaping, etc.
- a millstone.
- Idioms keep or put one's nose to the grindstone, to work, study, or practice hard and steadily or to cause someone to do so:If I put my nose to the grindstone, I'll finish the job this week.
- Middle English. See grind, stone 1175–1225
Collins Concise English Dictionary © HarperCollins Publishers:: grindstone /ˈɡraɪndˌstəʊn/ n - a machine having a circular block of stone or composite abrasive rotated for sharpening tools or grinding metal
- the stone used in this machine
- any stone used for sharpening; whetstone
- keep one's nose to the grindstone, have one's nose to the grindstone ⇒ to work hard and perseveringly
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