Definition of avulsion in English:



  • 1The action of pulling or tearing away.

    • ‘The athlete commonly presents to the physician with a chronic untreated profundus avulsion.’
    • ‘With our small patient population, it is difficult to reach definitive conclusions regarding patients with sublime tubercle avulsion fractures and functional medial elbow instability.’
    • ‘It is possible that avulsion fractures in which the ACL is avulsed from its femoral insertion occur mainly before skeletal maturity.’
    • ‘Other etiologies of groin pain include sports hernia, groin disruption, iliopsoas bursitis, stress fractures, avulsion fractures, nerve compression and snapping hip syndrome.’
    • ‘Treatment using nail avulsion in combination with topical therapy has been somewhat more successful, but this approach can be time-consuming, temporarily disabling and painful.’
    1. 1.1Law The sudden separation of land from one property and its attachment to another, especially by flooding or a change in the course of a river.
      Compare with alluvion
      • ‘Abandonment of a former course through avulsion and meander-loop cut-off produces many lakes.’
      • ‘Avulsion in a coastal area, of course, simply destroys property and moves the boundary, as there is no opposite bank to gain.’
      • ‘Ohio Revised Code (Law) states that land lost by erosion but regained by avulsion, reverts ownership back to the upland property owner.’


Early 17th century: from Latin avulsio(n-), from the verb avellere, from ab- ‘from’ + vallere ‘pluck’.