grinding
研磨
Grind v. t. [imp. & p. p. Ground p. pr. & vb. n. Grinding.]
1. To reduce to powder by friction, as in a mill, or with the teeth; to crush into small fragments; to produce as by the action of millstones.
Take the millstones, and grind meal. --Is. xivii. 2.
2. To wear down, polish, or sharpen, by friction; to make smooth, sharp, or pointed; to whet, as a knife or drill; to rub against one another, as teeth, etc.
3. To oppress by severe exactions; to harass.
To grind the subject or defraud the prince. --Dryden.
4. To study hard for examination; -- commonly used with away; as, to grind away at one's studies. [College Slang]
Grind·ing, a. & n. from Grind.
Grinding frame, an English name for a cotton spinning machine.
Grinding mill. (a) A mill for grinding grain. (b) A lapidary's lathe.
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grinding
n 1: matter resulting from the process of grinding; "vegetable
grindings clogged the drain"
2: a harsh and strident sound (as of the grinding of gears)
3: the wearing down of rock particles by friction due to water
or wind or ice [syn: abrasion, attrition, detrition]