impaction








noun

  1. an act or instance of impacting.
  2. the state of being impacted; close fixation.
  3. Dentistry. the condition in which a tooth is impacted.
n.

1739, from Latin impactionem (nominative impactio) “a striking against,” noun of action from past participle stem of impingere (see impinge).

n.

  1. The process or condition of being impacted.

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