noun, noun or participle which takes 'suru'
gnashing of teeth
Refers to grinding or clenching one's teeth, often from anger, frustration, or pain. Can be used literally or figuratively.
悔しさで歯切りしながら、彼はその場を去った。
Gnashing his teeth in frustration, he left the place.
歯切りする音が隣の部屋
I heard the sound of teeth grinding from the next room.
noun, noun or participle which takes 'suru'
gear cutting
Technical term in mechanical engineering for cutting teeth into a gear blank. Not used in everyday conversation.
この工場では精密な歯切り加工を行っている。
This factory performs precision gear cutting.