Definition of Impaction

1. Noun. The condition of being pressed closely together and firmly fixed.

Generic synonyms: Condition, Status
Derivative terms: Impact

2. Noun. A disorder in which feces are impacted in the lower colon.
Generic synonyms: Disorder, Upset

3. Noun. A disorder in which a tooth is so crowded in its socket that it cannot erupt normally.
Exact synonyms: Impacted Tooth
Generic synonyms: Disorder, Upset

4. Noun. A sharp collision produced by striking or dashing against something.
Exact synonyms: Impingement
Generic synonyms: Crash, Smash

Definition of Impaction

1. n. The driving of one fragment of bone into another so that the fragments are not movable upon each other; as, impaction of the skull or of the hip.

Definition of Impaction

1. Noun. compression; the packing together of loose matter ¹

2. Noun. something packed together tightly; a mass of densely-packed matter ¹

3. Noun. (medicine) a solid, immobile bulk of stool ¹

¹ Source: wiktionary.com

Definition of Impaction

1. [n -S]

Medical Definition of Impaction

1. 1. The driving of one fragment of bone into another so that the fragments are not movable upon each other; as, impaction of the skull or of the hip. 2. An immovable packing;, a lodgment of something in a strait or passage of the body; as, impaction of the foetal head in the strait of the pelvis; impaction of food or feces in the intestines of man or beast. Origin: L. Impactio a striking: cf. F. Impaction. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Impaction

impact printers
impact resistance
impact statement
impactable
impacted
impacted foetus
impacted fracture
impacted teeth
impacted tooth
impacter
impacters
impactful
impactfully
impactfulness
impacting
impactions
impactive
impactless
impactor
impactors
impacts
impaint
impainted
impainting
impaints
impair
impaired
impaired glucose tolerance
impairedness

Literary usage of Impaction

Below you will find example usage of this term as found in modern and/or classical literature:

1. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1902)
"Perhaps the difficulty in drawing the line of definition between marked degrees of constipation and the condition of fecal impaction has led to the ..."

2. Special pathology and therapeutics of the diseases of domestic animals v. 2 by Ferenc Hutyra (1913)
"Rabbits develop impaction of the large intestine after too abundant or exclusive dry ... Secondary impaction occurs after chronic intestinal catarrh in the ..."

3. A Text-book on surgery by John Allan Wyeth (1890)
"Partial or complete occlusion of the alimentary canal may occur from a variety of causes, namely: 1, impaction of fecal matter; 2, foreign bodies; 3, ..."

4. Diagnosis and Treatment of Diseases of the Rectum, Anus, and Contiguous Textures by Samuel Goodwin Gant (1896)
"impaction OF FECES. THE impaction of feces may be due to numerous causes. Frequently it is due either to a loss of muscular tonicity or to some paralytic ..."

5. Handbook of Diseases of the Rectum by Louis Jacob Hirschman (1913)
"CHAPTER V. FECAL impaction. This consists in the formation and retention in some part of the intestinal canal of a mass of hardened feces. ..."

6. A Treatise on the Science and Practice of Midwifery by William Smoult Playfair (1880)
"In most cases it is probably secondary to the impaction of minute emboli in the smaller branches of the pulmonary artery ; but it may doubtless arise from ..."

7. Diseases of the rectum and anus by Samuel Goodwin Gant (1906)
"Symptoms common to both impaction and carcinoma are constipation in the beginning, diarrhea later ... Fecal impaction can be differentiated from gall-stone, ..."

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