Definition of Retention

1. Noun. The act of retaining something.

Exact synonyms: Holding, Keeping
Generic synonyms: Ownership, Possession
Specialized synonyms: Withholding, Storage
Derivative terms: Hold, Keep, Retain

2. Noun. The power of retaining and recalling past experience. "He had a good memory when he was younger"
Exact synonyms: Memory, Retentiveness, Retentivity
Generic synonyms: Faculty, Mental Faculty, Module
Specialized synonyms: Anamnesis, Recollection, Remembrance
Derivative terms: Memorize, Retain, Retentive, Retentive

3. Noun. The power of retaining liquid. "Moisture retentivity of soil"
Exact synonyms: Retentiveness, Retentivity
Generic synonyms: Impermeability, Impermeableness
Specialized synonyms: Urinary Retention
Derivative terms: Retentive, Retentive

Definition of Retention

1. n. The act of retaining, or the state of being ratined.

Definition of Retention

1. Noun. The act of retaining or something retained ¹

2. Noun. The act or power of remembering things ¹

3. Noun. A memory, what is retained in the mind ¹

4. Noun. (medicine) The involuntary withholding of urine and faeces ¹

¹ Source:

Definition of Retention

1. [n -S]

Medical Definition of Retention

1. 1. The persistent keeping within the body of matters normally excreted. 2. In cavity preparation, the prevention of displacement of a restoration. 3. The period during which the patient is wearing an appliance to maintain and stabilise the teeth in the position into which they were moved. 4. The persistence to perform a learned behaviour (facts or experiences) after an interval has elapsed in which there has been no performance or practice of the behaviour. Origin: L. Retentio, from retentare = to hold firmly back This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Lexicographical Neighbors of Retention

retention area
retention arm
retention cyst
retention form
retention groove
retention jaundice
retention line
retention point
retention polyp
retention suture
retention vomiting

Literary usage of Retention

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

1. An Essay Concerning Human Understanding by John Locke (1894)
"The other way of retention is, the power to revive Memory, again in our minds those ideas which, after imprinting, have disappeared, or have been as it were ..."

2. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1889)
"39 and 40, 1888) reports the results in 80 cases of retention of membranes or ... it could not be positively asserted that retention did not influence ..."

3. The Medical Clinics of North America by Michael C. Fiore, Stephen S. Entman, Charles B. Rush (1921)
"PREOPERATIVE MANAGEMENT IN CASES OF GASTRIC Retention DAVID M. BERKMAN IN an attempt to correlate clinical observations with experimental observations on ..."

4. Science by American Association for the Advancement of Science (1883)
"The EKG was recorded for 3 minutes. Neither FS nor ECS was administered. Median latencies to enter the open field during training and retention sessions for ..."

5. Surgery, Gynecology & Obstetrics by The American College of Surgeons, Franklin H. Martin Memorial Foundation (1910)
"Retention with sloughing of tissues of perineum, this area was drained and appeared to ... This was opened, one liter of foul urine, retention continued; ..."

6. The Practitioner by Gale Group, ProQuest Information and Learning Company (1878)
"Dr. JH Croom of Edinburgh groups the causes leading to retention of urine in the ... In all cases of retention of urine a vaginal examination is necessary. ..."

7. Medical Record by George Frederick Shrady, Thomas Lathrop Stedman (1890)
"But are we not apt to overestimate the rarity of retention of what may be ... We not infrequently see retention without expulsive effort of portions of ..."

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