She was gritting her teeth during the exam.
To press or grind one's teeth together, often due to stress or discomfort.
His gritting was a sign of his anxiety.
The act of pressing or grinding teeth together, often as a response to stress.
They are gritting the roads to prevent accidents.
To cover a surface with grit or a similar substance to improve traction, especially on roads in winter.
The gritting helped cars drive safely on the icy road.
A mixture of grit or small particles used for traction on slippery surfaces.
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