Definitions

from The Century Dictionary.

  • noun The act of impacting, or the state of being impacted; close fixation.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Surg.) The driving of one fragment of bone into another so that the fragments are not movable upon each other.
  • noun An immovable packing; (Med.), a lodgment of something in a strait or passage of the body

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun compression; the packing together of loose matter
  • noun something packed together tightly; a mass of densely-packed matter
  • noun medicine a solid, immobile bulk of stool

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the condition of being pressed closely together and firmly fixed
  • noun a disorder in which feces are impacted in the lower colon
  • noun a disorder in which a tooth is so crowded in its socket that it cannot erupt normally
  • noun a sharp collision produced by striking or dashing against something

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin impingere (to dash against, impinge).

Examples

  • Enterolith impaction, which is a common cause of colic in California and other regions of the country, is associated with long-term ingestion of large quantities of an alkalinizing feed rich in protein, phosphorous, and magnesium, such as alfalfa, Morton said.

    Thoroughbred News | BloodHorse.com

  • Enterolith impaction, which is a common cause of colic in California and other regions of the country, is associated with long-term ingestion of large quantities of an alkalinizing feed rich in protein, phosphorous, and magnesium, such as alfalfa, Morton said.

    Thoroughbred News | BloodHorse.com

  • _partial_ impaction, that is, an incomplete or partially successful evacuation of the contents of the bowels: the incompleteness is due to disease of the anal and rectal canals.

    Intestinal Ills Chronic Constipation, Indigestion, Autogenetic Poisons, Diarrhea, Piles, Etc. Also Auto-Infection, Auto-Intoxication, Anemia, Emaciation, Etc. Due to Proctitis and Colitis

  • But sometimes it can lead to serious problems, such as impaction or dysreflexia.

    1) Head Control and Use of Senses

  • The postmortem examination conducted by forest department veterinarian revealed that the elephant had died of "impaction," a potential case of dehydration and colitis in the stomach.

    The Earth Times Online Newspaper

  • The postmortem examination conducted by forest department veterinarian revealed that the elephant had died of "impaction," a potential case of dehydration and colitis in the stomach.

    The Earth Times Online Newspaper

  • C: \Users\Philip\Pictures\2009-07-30\toot … this is a little hard to see but I drew what my impacted tooth looks like (hitting the tooth in front of it) on an angle/not too far down/in my mouth you cant see the wisdom tooth at all and it looks as if the last tooth in my mouth is up against my jawbone so Im petrified. what kind of impaction is this? how long will it take to remove?

    Yahoo! Answers: Latest Questions

  • Yesterday, the CSU declared system-wide impaction, meaning many campuses could impose additional admission criteria on non-local students.

    Top Stories - Google News

  • Miniatures have smaller bone structure but their teeth are essentially similar in size to a larger horse, this leads to problems with overcrowding and impaction of teeth.

    SciFi, Fantasy & Horror Collectibles - Part 1240

  • Tinnitus can be caused by, and be an indicator of, many different auditory or medical conditions ranging from simple impaction of wax against the eardrum to less common, but more serious conditions such as tumours that press on the auditory nerve.

    Tinnitus: the sound of silence

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