n.
Pronunciation: ˌ h ī -( ˌ )p ə rm- ' n ē -zh( ē -) ə
Function: noun
Etymology: New Latin, from hyper- + -mnesia (as in amnesia )
Date: 1882
: abnormally vivid or complete memory or recall of the past
– hy · perm · ne · sic \ - ' n ē -zik, -sik \ adjective