grindstone

listen to the pronunciation of grindstone
Englisch - Englisch
An abrasive wheel for sharpening, polishing or grinding
a flat circular stone, used for sharpening tools
{n} a stone for grinding tools on
{i} stone used for sharpening or grinding; millstone
a revolving stone shaped like a disk; used to grind or sharpen or polish edge tools
A flat, circular stone, revolving on an axle, for grinding or sharpening tools, or shaping or smoothing objects
A grindstone is a large round stone that turns like a wheel and is used for sharpening knives and tools. a large round stone that turns like a wheel, and is used for making tools and knives sharp when they are rubbed against it keep your nose to the grindstone nose (11)
nose to the grindstone
Hard at work

Nose to the grindstone, he was up all night.

nose to the grindstone
To work hard, or focus heavily on work

If he'd keep his nose to the grindstone a bit more, he could be a pretty good student.

keep one's nose to the grindstone
(deyim) Continue to work hard
A grindstone
grindle stone
grindstones
plural of grindstone
grindstone
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