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retention

Definition of retention

[mass noun]

1the continued possession, use, or control of something:the retention of direct control by central government
the fact of keeping something in one’s memory:the children’s retention of facts

2the action of absorbing and continuing to hold a substance:the soil’s retention of moisture
failure to eliminate a substance from the body:eating too much salt can lead to fluid retention

Origin:

late Middle English (denoting the power to retain something): from Old French, from Latin retentio(n-), from retinere 'hold back' (see retain)

Definition of retention in the US English dictionary

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