Definition of avulsion in English:



  • 1Medicine
    The action of pulling or tearing away.

    ‘Other etiologies of groin pain include sports hernia, groin disruption, iliopsoas bursitis, stress fractures, avulsion fractures, nerve compression and snapping hip syndrome.’
    • ‘The athlete commonly presents to the physician with a chronic untreated profundus avulsion.’
    • ‘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.’
    • ‘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.’
    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.’



/əˈvəlSHən/ /əˈvəlʃən/


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