grit
(grɪt)n., v. grit•ted, grit•ting. n.
1. hard, abrasive particles, as of sand, stone, or gravel.
2. firmness of character; indomitable spirit; pluck.
3. a coarse-grained siliceous rock, usu. with sharp, angular grains.
4. the granular texture of stone, sandpaper, etc., with respect to coarseness or fineness.
v.t.
5. to cause to grind or grate together.
v.i.
6. to make a scratchy or slightly grating sound, as of sand being walked on; grate.
Idioms:
grit one's teeth, to show tenseness, anger, or determination.
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