Meaning of RETENTION in English

RETENTION

re ‧ ten ‧ tion AC /rɪˈtenʃ ə n/ BrE AmE noun [uncountable]

[ Word Family: verb : ↑ retain ; noun : ↑ retention ]

[ Date: 1300-1400 ; Language: Latin ; Origin: retentio , from retinere ; ⇨ ↑ retain ]

1 . formal the act of keeping something

retention of

The UN will vote on the retention of sanctions against Iraq.

2 . technical the ability or tendency of something to hold liquid, heat etc within itself:

Many people with heart problems suffer from fluid retention.

3 . the ability to keep something in your memory:

I have a real problem with retention of information.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.