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grind

1. verb, informal To engage in some activity with great intensity, devotion, or dedication. Everyone else has been grinding for their exams this week, so there hasn't been much to do. Our team has been grinding away at this project for months.
2. verb, slang To rotate one's hips and pelvis in an erotic or suggestive manner, especially while dancing. Some guy came up and started grinding against me on the dance floor.
3. noun, informal A tedious or laborious routine, especially of work or study. I'm lucky to have a job in today's economy, but this daily grind is starting to get me down.
4. noun, slang A student who studies or works to an excessive amount or degree. Primarily heard in US. Come on, Tom, don't be such a grind. It's Saturday night—come have some fun for a change!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

grind

in. to sell drugs. He told the cops he wasn’t grinding, but they found his junk.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
Grinding Inconel 718 with different grinding wheels was investigated by Tso [6], where the effect of various process parameters on the surface roughness, dimension accuracy and the cutting force were observed.
A dry grinding process with grinding balls of >3 mm [empty set] is usually carried out by filling one third of the jar with grinding balls and one third with sample material.
So, if we think back to our barista, he or she was not adjusting the grinder to achieve the primary particle size in his (monomodal) grind but, rather, he or she was adjusting to control the superfine portion of the grind-that 30-50 pm particle size at a 30 percent proportion for example, which is the most critical element in the espresso grinding process.
For suppliers of tool grinding equipment, visit RedBookOnline.com
Series is designed for beside-the-press applications, central grinding or recycling applications and optionally available in sound attenuated and skewed rotor design.
However, in the wood market, the trend is toward bigger machines with more horsepower "because it's the only machine being used, the one that's doing all the grinding," Morey says.
* Conical steel burr grinders offer a slow grinding action that preserves maximum aroma.
MAUS offers a proven design for automatic grinding utilizing ragged CNC platform, precise individual casting position verification, grinding wheel wear verification and multiple-operation options.
Key words: electron probe microanalysis; grinding; mounting; polishing; quantitative analysis; sample preparation; sawing.
Grinding can cause serious probs--broken or cracked teeth, gum problems, tooth sensitivity and even loose teeth.
In all grinding procedures, safety is the most important factor.
However, in the past few years, a number of large band saw manufacturers have changed over to grinding teeth.
Rhythmic grinding of teeth during sleep occurs at least once a week in as many as 8.2 percent of people, a new European study finds.
[USPRwire, Mon Aug 19 2019] Wood Floor Grinding Machine- Introduction Wood floor grinding machines refer to power tools or machine tools employed for grinding, that make use of abrasive wheel for cutting purpose.
Summary: The automotive & aerospace industry segment is projected to hold a significant market share in gear Grinding Machine market.