grit

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grit

1. any coarse sandstone that can be used as a grindstone or millstone
2. Engineering an arbitrary measure of the size of abrasive particles used in a grinding wheel or other abrasive process

Grit

 

cemented gravel with the texture of sandstone. Grit is widely distributed among sedimentary formations. Its presence is evidence of the intensive erosion of more ancient layers, and it indicates the proximity of a shoal, dry land, or rises (positive forms of basin bottom relief).

grit

[grit]
(geology)
A hard, sharp granule, as of sand.
A coarse sand.
(materials)
An abrasive material composed of angular grains.
(petrology)
A sandstone composed of angular grains of different sizes.

grit

A granular abrasive material (e.g., consisting of particles of aluminum oxide or silicon carbide) which is used to coat cloth, paper, or wheels for sanding, grinding, or polishing; also used to provide a nonslip finish to a surface.
References in periodicals archive ?
Well done to Nico," Schuey winced through gritted teeth.
Walsh said: "Normally, a layer gives prizes like this through gritted teeth - but the performance of Paul Jacobs means we have to doff our cap in full and total respect.
It is an open secret that his politically-incorrect right-wing opinions jarred with some senior Beeb executives, who signed him to lucrative deals through gritted teeth.
Yer a smart-a**e and I'm gonna throw me coffee over yer," she scowled through gritted teeth.
No wonder he got the bloody sack," he muttered through gritted teeth, referring to jockey Jason Weaver's split with trainer Mark Johnston.
Capello reacted admirably to Walcott's barbs, saying he preferred Theo as a footballer to a writer - the exact words my sports editor told me - but you suspect the Italian uttered them through gritted teeth.
Mark Roe will come back with gritted teeth after Saturday's shameful disqualification that he took so sportingly and should outplay Malcolm Mackenzie and Costantino Rocca at evens.
This time, she isn't grinning through gritted teeth.
It left home boss Trevor Francis to speak through gritted teeth at his misfortune.
We've got nothing but admiration for it - through gritted teeth.
He even smiled at Nasty Nick who handed over the money through gritted teeth.
He is heavily tortured - taking one hell of a cinematic beating through gritted teeth - and eventually kicked out of the country with his tail between his legs.