retention
rih-TEN-shuhn
/rɪˈtenʃn/
The continued preservation and storage of memory or learned information over time.
Refers to the actual persistence or holding of knowledge in the brain between encoding and retrieval.
The story behind the word. Derived from Latin 'retinere', combining 're-' (back) and 'tenere' (to hold). Passing into Middle English through Anglo-French, it meant to hold back or keep in possession. Psychologists adapted it to describe how the neural architecture retains acquired facts across days, months, or decades.
Word relationships
- preservation: Preservation refers to keeping something safe from decay; retention focuses on the ongoing holding or keeping of contents.
- forgetting: Forgetting is the loss or decay of stored information.
Commonly confused with
- retrieval: Retention is the passive holding of stored data; retrieval is the active fetching of that data.
Word family
- retain (verb): To keep or hold on to information in memory
Collocations
- memory retention
- long-term retention
- retention rate
- knowledge retention
Example sentences
- "Spaced repetition schedules dramatically improve long-term retention compared to cramming before an exam." Educational science
- "Sleep plays a decisive role in the retention of declarative memories built during the day." Neurobiology
Memory hook
RETENTION means RE-TAINING or holding onto knowledge in your brain container. Hold back and keep.
When not to use
Do not confuse with 'detention' (confinement) or corporate HR 'retention' without clear context.
Fun facts
- Hermann Ebbinghaus discovered the 'forgetting curve', showing that human memory retention drops by over 50% within an hour if not reviewed!
Related words
Explore more words
retain, preservation, tenacity, continuity, sustained, tenure
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