retention-improving
adjectiveUK /rɪˈtɛnʃən ɪmˈpruːvɪŋ/
US /rɪˈtɛnʃən ɪmˈpruːvɪŋ/
Helping you remember things better.
The teacher used retention-improving games to help students remember new words.
OTHER MEANINGS
2. Helping to keep something in place or keep it from leaving.
The retention-improving coating helped the paint stay on the wall longer.
3. Helping a company keep its customers or workers.
The retention-improving program offered rewards to loyal customers.
4. Helping to hold water or moisture in something.
This retention-improving soil keeps plants from drying out.