Definition of avulsion in English:



  • 1The action of pulling or tearing away.

    • ‘With our small patient population, it is difficult to reach definitive conclusions regarding patients with sublime tubercle avulsion fractures and functional medial elbow instability.’
    • ‘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.’
    • ‘It is possible that avulsion fractures in which the ACL is avulsed from its femoral insertion occur mainly before skeletal maturity.’
    • ‘The athlete commonly presents to the physician with a chronic untreated profundus avulsion.’
    • ‘Other etiologies of groin pain include sports hernia, groin disruption, iliopsoas bursitis, stress fractures, avulsion fractures, nerve compression and snapping hip syndrome.’
    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
      • ‘Ohio Revised Code (Law) states that land lost by erosion but regained by avulsion, reverts ownership back to the upland property owner.’
      • ‘Avulsion in a coastal area, of course, simply destroys property and moves the boundary, as there is no opposite bank to gain.’
      • ‘Abandonment of a former course through avulsion and meander-loop cut-off produces many lakes.’


Early 17th century: from Latin avulsion-, from the verb avellere, from ab- from + vallere pluck.