noun
DentistryThe condition (especially of teeth) of being angled forwards; the degree of this.
Origin
1920s; earliest use found in International Journal Orthodontia. From classical Latin prōclīnātiōn-, prōclīnātiō condition of sloping or leaning forward from prōclīnāt-, past participial stem of prōclīnāre to cause to lean forward, to incline + -iō.
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