retention

The act of retaining or the condition of being retained.

The practice of requiring a student to repeat a class or a year of school because of insufficient educational progress to advance.

The ability to recall or recognize what has been learned or experienced; memory.

The inability of a person or animal to eliminate a bodily waste.

The act of retaining or keeping back; restraint; reserve.

The act of retaining or holding as one’s own; continued possession or ownership.

Continuance or perseverance, as in the use or practice of anything; preservation.

The act of retaining or keeping in mind; especially, that activity of the mind by which it retains ideas; the retentive faculty: often used as synonymous with memory.

Hence That which retains impressions, as a tablet.

In medicine: