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1. The power of retaining and recalling past experience
   - memory, retention, retentiveness
    
2. The property of retaining possessions that have been acquired
   - retentiveness
    
3. The power of retaining liquid
   "moisture retentivity of soil";
   - retentiveness, retention

Derived forms: retentivities

Type of: acquisitiveness, faculty, impermeability, impermeableness, mental faculty, module

Encyclopedia: Retentivity