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retentive

[ri-ten-tiv] /rɪˈtɛn tɪv/
adjective
1.
tending or serving to retain something.
2.
having power or capacity to retain.
3.
having power or ability to remember; having a good memory.
Origin
1325-1375
1325-75; Middle English retentif < Middle French < Medieval Latin retentīvus, equivalent to Latin retent(us) (see retention) + -īvus -ive
Related forms
retentively, adverb
retentiveness, noun
nonretentive, adjective
nonretentively, adverb
nonretentiveness, noun
unretentive, adjective
unretentively, adverb
unretentiveness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for retentive

retentive

/rɪˈtɛntɪv/
adjective
1.
having the capacity to retain or remember
Derived Forms
retentively, adverb
retentiveness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for retentive
adj.

late 14c., "able to hold or keep" (mental or physical), from Old French retentif, from Medieval Latin retentivus, from past participle stem of Latin retinere (see retain). Related: Retentively; retentiveness.

Online Etymology Dictionary, © 2010 Douglas Harper
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