noun
- loss of a large block of interrelated memories; complete or partial loss of memory caused by brain injury, shock, etc.
noun
- a defect in memory, esp one resulting from pathological cause, such as brain damage or hysteria
“loss of memory,” 1786 (as a Greek word in English from 1670s), Modern Latin, coined from Greek amnesia “forgetfulness,” from a-, privative prefix, “not” (see a- (3)) + mimneskesthai “to recall, cause to remember,” a reduplicated form related to Greek mnemnon “mindful,” mneme “memory,” mnasthai “to remember;” from PIE root *men- “to think, remember” (see mind (n.)).
n.
- The loss or impairment of memory.
- Partial or total loss of memory, usually caused by brain injury or shock.
A loss of memory, especially one brought on by some distressing or shocking experience.