noun Etymology: irregular from Greek brychein to gnash the teeth + English -ism Date: 1932 the habit of unconsciously gritting or grinding the teeth especially in situations of stress or during sleep
BRUXISM
Meaning of BRUXISM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012