n. The removal of dead, damaged, or infected tissue to improve the healing potential of the remaining healthy tissue.
n. The removal of the dental tartar that has accumulated over teeth, typically done using hand tools and ultrasound instruments.
the GNU version of the Collaborative International Dictionary of English
n. the surgical excision of dead, contaminated, or damaged tissue, and foreign matter, especially from a wound.
The Century Dictionary and Cyclopedia
n. In surgery, a loosing or unbridling by cutting the soft parts, as around a wound or an abscess, to permit the passage of pus, or for the removal of a stricture or an obstacle of any kind.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. surgical removal of foreign material and dead tissue from a wound in order to prevent infection and promote healing
Word Usage
"To allow such wounds to heal, doctors remove infected or dead tissue with scalpels or enzymes, a process they call debridement."