say it: rem-uh-NIS-uhns
reminiscence is a noun meaning "a mental impression retained and recalled from the past". It carries 2 recorded senses.
a mental impression retained and recalled from the past
the process of remembering (especially the process of recovering information by mental effort)
“he has total recall of the episode”
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 reminiscence 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.