Loss of memory, usually resulting from shock, psychological disturbance, brain injury, or illness.
[Greek amnēsiā, forgetfulness, probably alteration of amnēstiā, from amnēstos, not remembered : a-, not; see A–1 + mimnēskein, mnē-, to remember; see men-1 in the Appendix of Indo-European roots.]
am·nesi·ac′ (-nēzē-ăk′, -zhē-ăk′), am·nesic (-zĭk, -sĭk) n.& adj.
am·nestic (-nĕstĭk) adj.
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