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From Anglo-Norman memorie, Old French memoire etc., from Latin memoria (the faculty of remembering, remembrance, memory, a historical account), from memor (mindful, remembering), from Proto-Indo-European *(s)mer- (to remember), related to Ancient Greek μνήμη (mnḗmē, memory) μέρμερος (mérmeros, anxious), μέριμνα (mérimna, care, thought), Old English mimor (mindful, remembering). More at mimmer. Doublet of memoir and memoria. Displaced native Old English ġemynd.



memory (countable and uncountable, plural memories)

  1. (uncountable) The ability of the brain to record information or impressions with the facility of recalling them later at will.
    Synonym: recall
    Memory is a facility common to all animals.
  2. A record of a thing or an event stored and available for later use by the organism.
    Synonyms: recall, recollection
    I have no memory of that event.
    My wedding is one of my happiest memories.
  3. (computing) The part of a computer that stores variable executable code or data (RAM) or unalterable executable code or default data (ROM).
    Synonym: (dated) core
    This data passes from the CPU to the memory.
    • 1987 July 27, Jerry Pournelle, “Law of Expanding Memory: Applications Will Also Expand Until RAM Is Full”, in InfoWorld, volume 9, number 30, InfoWorld Media Group Inc, page 46:
      My first microcomputer had 12K of memory. When I expanded to a full 64K, I thought I had all the memory I'd ever need. Hah. I know better now.
  4. The time within which past events can be or are remembered.
    in recent memory
    in living memory
  5. (attributive, of a material) Which returns to its original shape when heated
    memory metal
    memory plastic
  6. (obsolete) A memorial.
  7. (zoology, collective, rare) A term of venery for a social group of elephants, normally called a herd.


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