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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

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).

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
In a separate announcement Wednesday, GRIT explained it had agreed a USD25.1 million refurbishment project at its Anfa Place shopping centre in Morocco.
There are 540 regular grit bins in Renfrewshire - 140 more than last winter - and 20 large community grit bins.
Duckworth studied people who performed well in high-stress environments to understand the predictive power of grit for performance.
"The season is not over yet and no doubt there will be a few more grits before the warmer weather leads us into summer.
Grit depends on the expectation that our own efforts can improve our future.
"Although there are no true standards or assessment for the acquisition or application of 'grit,' it is critical to join the discussion on how best to help students develop a growth mindset and what strategies work for teaching and fostering grit with our students," says Jim Grant, who believes the grit and growth mindset movement is more of an initiative than an education reform.
"Due to heavy rainfall our crews were unable to apply any grit until around 4am but after an hour further heavy rainfall began to fall and washed the grit which had been deposited on to the road since 4am into the drains.
The councils can't afford to grit streets let alone cycle paths.
"Due to heavy rainfall our crews were unable to apply any grit until around 4am but, after an hour, further heavy rainfall began to fall and wash the grit that had been deposited on to the road into the drains.
Plus, mounting data suggests that children who have "grit" are more likely to succeed than those who skate by on their natural gifts.
Grit is about sweat, not swagger or character; it's not charisma.