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Noun: amnesia  am'nee-zhu
  1. Partial or total loss of memory
    "he has a total amnesia for events of the evening"
    - memory loss, blackout

Derived forms: amnesias

See also: amnesic, amnestic

Type of: cognitive state, state of mind

Encyclopedia: Amnesia, anterograde Amnesia Amnesia, transient global Amnesia, retrograde