say it: ree-TEN-shuhn
retention is a noun meaning "the act of retaining something". It carries 3 recorded senses.
the act of retaining something
the power of retaining and recalling past experience
“he had a good memory when he was younger”
the power of retaining liquid
“moisture retentivity of soil”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for retention come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.