retention

noun

re·​ten·​tion ri-ˈten(t)-shən 

1

a

: the act of retaining : the state of being retained

b

: abnormal retaining of a fluid or secretion in a body cavity

2

a

: power of retaining : retentiveness

b

: an ability to retain things in mind

specifically : a preservation of the aftereffects of experience and learning that makes recall or recognition possible

3

: something retained

Examples of retention in a Sentence

the recruitment and retention of good employees

the retention of profits from all sales

pills to offset water retention

the retention of things learned in school

They say the herb promotes memory retention.

Recent Examples on the Web

The rankings also look at first-year retention rates, borrower debt, faculty salaries, student-faculty ratio, standardized test scores, peer assessment and more. —Miami Herald, 27 Sep. 2025

The headcount retention is a stark distinction from other corporate messaging recently. —Preston Fore, Fortune, 27 Sep. 2025

The performance gains were also clear in full-cell configurations using a V₆O₁₃ cathode, where the DEDFP system showed stable capacity retention at higher charge and discharge rates while the other systems degraded quickly. —Aman Tripathi, Interesting Engineering, 27 Sep. 2025

Some of those that the research team identified included a gene associated with immune function and cognitive retention, a gene that influences how efficiently the body metabolizes fats, and another gene associated with aging brain health and heart disease. —Issy Ronald, CNN Money, 26 Sep. 2025

Word History

Etymology

Middle English retencioun, from Anglo-French, from Latin retention-, retentio, from retinēre to retain — more at retain

First Known Use

14th century, in the meaning defined at sense 1a

Rhymes for retention

• attention
• contention
• convention
• declension
• detention
• dimension
• dissension
• distension
• extension
• intension
• invention
• laurentian

Kids Definition

retention

noun

re·​ten·​tion ri-ˈten-chən 

1

: the act of retaining : the state of being retained

2

: power of retaining

3

: something retained

Medical Definition

retention

noun

re·​ten·​tion ri-ˈten-chən 

1

: the act of retaining: as

a

: abnormal retaining of a fluid or secretion in a body cavity

retention of urine

retention of bile

b

: the holding in place of a tooth or dental replacement by means of a retainer

2

: a preservation of the aftereffects of experience and learning that makes recall or recognition possible

Legal Definition

retention

noun

re·​ten·​tion ri-ˈten-chən 

1

: the act of retaining or the state of being retained

2

: the portion of the insurance on a particular risk not reinsured or ceded by the originating insurer