retention has definitions from the field of psychology
1
[ noun ] the act of keeping in your possession

Synonyms

holding keeping

Used in print

(LeRoy Fothergill, "Biological Warfare", in Peter...)

The entrance and retention of infectious particles in the alveoli amounts almost to an intra tissue inoculation .

(J. W. C. Hagstrom et al., "Debilitating muscular...)

On Feb. 12 , 1959 , purified corticotropin ( ACTH_Gel ) , 20 units daily intramuscularly , was started but had_to be discontinued 3 weeks later because of excessive fluid retention .

The terminal hospital admission on June 27 , 1959 , was necessitated by continued weakness and debility complicated by urinary retention and painful thrombosed hemorrhoids .

(Ross E. McKinney and Howard Edde, "Aerated...)

They indicated that a 4 - day retention , aerated lagoon would give 60 to 76 per_cent BOD reduction .

The long retention period and the complete mixing concept prevented rapid changes in either the mixed liquor or in the effluent .

2
[ noun ] (psychology) the power of retaining and recalling past experience

Examples

"he had a good memory when he was younger"

Used in print

(A.L. Kroeber, "Semantic Contribution of Lexicostatistic...)

I would propose , next , as the prime requirement for constitution of new basic lists , items whose forms show as high an empirical retention rate as possible .

Related terms

faculty recall retain

3
[ noun ] the power of retaining liquid

Examples

: "moisture retentivity of soil"

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