retention

noun
UK /rɪˈtɛnʃən/
US /rɪˈtɛnʃən/

The act of keeping something or someone.

The sponge has good water retention.


OTHER MEANINGS

2. The ability to remember things.

Her retention of facts is amazing.

3. The continued possession or use of something.

The company focuses on customer retention.

4. The failure to pass a bodily fluid, such as urine.

The patient suffered from urinary retention.