bruxism

(bruk′siz′əm)

noun

the habit of unconsciously grinding one's teeth, usually while asleep

Origin: < Gr ebryxa, aorist root of brykein, to gnash the teeth + -ism

See bruxism in American Heritage Dictionary 4

noun

The habitual, involuntary grinding or clenching of the teeth, usually during sleep, as from anger, tension, fear, or frustration.

Origin:

Origin: From New Latin brūxis, a gnashing

Origin: , from Greek brūkein, to gnash

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