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 ?
Other common symptoms include redness, lid swelling, tearing, light sensitivity, "grittiness" and swollen eye.
Koreans used to value what they saw as grittiness and determination in shorter people.
He brings toughness, grittiness and he's a goal scorer.
One of Ireland's most remarkable fiction writers, she injects new blood into its lyrical tradition, uniting the strength of the old with the grittiness of the new.
Davis is grittiness itself right now and has used all his experience to carve out back-to-back quarter-final appearances in the last two ranking events.
It doesn't have Matt Damon's likeness and the narrative takes a lot of liberties with the storytelling, but it manages to retain just enough of the movie's grittiness and action packed thrills.The Unreal Engine-based graphics are decent and the hand-to-hand combat is awesome.
Recorded largely in his apartment with a stable of talented Bay Area session players, The Calling's mix of thoughtful ballads (the spine-tingling antiviolence plea, "Soul Assassinator") and evocative, chugging love-gone-bad stories (the Sly Stone-influenced "What I Think") combine juke-joint grittiness with arena-rock swagger.
Arms may be already too full, with things both good and bad, to "welcome" another being, another "beginning." The refrain "maybe not" hovers in its grittiness like a slow coda.
But she notes a contradictory trend, too--namely, younger artists' ongoing fascination with Conceptual art, and Conceptual performance in particular, in all its antispectacle grittiness: "Everyone is looking at the '70s and realizing that most of this work is performance.
Steeped in the traditional forms, they move one step away from the grittiness of their roots to a celestial sphere where they burn coldly.
Note the time on the clock when you begin to feel eye discomfort (burning, grittiness, dryness.)