in general refers to a tearing away. Specifically, it can refer to:
- A form of amputation where the extremity is pulled off rather than cut off.
- Avulsion fracture
- Avulsion injury, the removal of all the layers of skin from abrasion
- In the law (also real estate, geology), "avulsion" refers to the sudden loss of land by the action of water.
- In fluvial geomorphology avulsion refers to a rapid migration of the river channel from its previous course, usually during flood events. Avulsions usually occur as a downstream to upstream process via head cutting erosion.