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English definition of “memorandum”

memorandum

noun [C]    /ˌmem·əˈræn·dəm/ (plural memoranda  /ˌmem·əˈræn·də/ or memorandums) (short form memo)
a written report prepared especially for a person or group of people and containing information about a particular matter: Ann will send a memorandum to the staff outlining the new procedures.
(Definition of memorandum noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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