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1. The act of retaining something
   - keeping, holding
    
2. The power of retaining and recalling past experience
   "he had a good retention when he was younger"
   - memory, retentiveness, retentivity
    
3. The power of retaining liquid
   "moisture retention of soil"
   - retentiveness, retentivity
    
4. (medicine) the involuntary withholding of urine and faeces

Derived forms: retentions

See also: retain, retentive

Type of: faculty, impermeability, impermeableness, mental faculty, module, ownership, possession

Encyclopedia: Retention