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millennium - definition and synonyms

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noun [countable] millennium pronunciation in American English /mɪˈleniəm/
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singularmillennium
pluralmillennia or millenniums
  1. a period of 1,000 years
    Synonyms and related words
    1. a.
      the beginning of a period of 1,000 years
      People celebrating the millennium filled the streets.
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