noun A collection of hard small materials, such as dirt, ground stone, debris from sandblasting or other such grinding, or swarf from metalworking.
The flower beds were white with grit from sand blasting the flagstone walkways.
noun Sand or a sand–salt mixture spread on wet and, especially, icy roads and footpaths to improve traction.
noun Small, hard, inedible particles in food.
These cookies seem to have grit from nutshells in them.
noun A measure of the size of abrasive grains, such as those on sandpaper, and thus their relative coarseness or fineness; the smaller the number, the coarser the abrasive: thus, 60 is rough, 600 is fine, and 3000 is ultrafine.
I need a sheet of 100 grit sandpaper.
noun A hard, coarse-grained siliceous sandstone; gritstone. Also, a finer sharp-grained sandstone, e.g., grindstone grit.
noun Strength of mind; courage or fearlessness; fortitude.
That kid with the cast on his arm has the grit to play dodgeball.
verb To clench (one's teeth), particularly in reaction to pain or anger.
We had no choice but to grit our teeth and get on with it.