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retrusion

American  
[ri-troo-zhuhn, -shuhn] / rɪˈtru ʒən, -ʃən /

noun

Dentistry.
  1. the act of moving a tooth backward.

  2. a condition characterized by the backward displacement of a tooth or teeth.


Other Word Forms

  • retrusive adjective

Etymology

Origin of retrusion

1650–60; < Latin retrūs ( us ) removed, concealed (past participle of retrūdere; see retrude) + -ion