Definition

1. Noun:
   • A forcible tearing away or surgical separation of a body part: Refers to the action of something being ripped off or detached by force, often used in medical contexts to describe severe injuries or surgical procedures.
   • An abrupt change in a stream's course that alters property boundaries: In legal and geographical contexts, it describes a sudden shift in a river's channel, leading to a loss of land for one property owner and a gain for another, without the gradual process of accretion.

Usage Examples

• Medical/Legal Context:
  • The accident resulted in the traumatic avulsion of his thumb. (The thumb was torn off completely due to the force of the accident.)
  • Avulsion of a nerve during the complex surgery required immediate repair. (The nerve was torn away during the operation.)
• Property/Legal Geography Context:
  • The new island was created by the avulsion of the river during the flood. (The flood caused the river to suddenly change its course, creating the island.)
  • The land dispute centered on whether the boundary change was due to avulsion or erosion. (The argument was about whether the change happened suddenly or gradually.)

Advanced Usage

• Legal Doctrine of Avulsion: In property law, this principle states that when a river changes course suddenly (by avulsion), the original property boundaries remain, unlike with gradual erosion or accretion.
  • The court applied the doctrine of avulsion, so the farmer did not lose title to the land now on the other side of the river.
• Medical Specificity: Often specifies the structure torn away (e.g., "nerve avulsion," "tooth avulsion," "avulsion fracture").
  • An avulsion fracture occurs when a tendon or ligament pulls a fragment of bone away.

Variants and Related Words

• Avulse (verb): To tear away forcibly.
  • The surgeon had to avulse the damaged tissue.
• Avulsive (adjective): Characterized by or causing avulsion.
  • The avulsive force of the explosion was tremendous.

Synonyms

• Tearing: The act of pulling something apart or into pieces.
• Detachment: The state of being disconnected or separated.
• Abruption: A sudden breaking off or separation (less common).

Related Phrases

• Avulsion injury: A specific type of trauma where a body part is torn off.
  • Ring avulsion injuries are common in industrial accidents.
• Boundary by avulsion: A legal term describing a property line altered by a sudden change in a watercourse.

Noun

1. a forcible tearing or surgical separation of one body part from another
2. an abrupt change in the course of a stream that forms the boundary between two parcels of land resulting in the loss of part of the land of one landowner and a consequent increase in the land of another