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millennium

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noun mil·len·ni·um \mə-ˈle-nē-əm\

Simple Definition of millennium

  • : a period of 1,000 years

  • : a period of a thousand years counted from the beginning of the Christian era

Source: Merriam-Webster's Learner's Dictionary

Full Definition of millennium

plural

-nia

\-nē-ə\ or

millenniums

  1. 1 a :  the thousand years mentioned in Revelation 20 during which holiness is to prevail and Christ is to reign on earth b :  a period of great happiness or human perfection

  2. 2 a :  a period of 1000 years; especially :  one reckoned from the beginning of the Christian era <at the start of the third millennium> b :  a 1000th anniversary or its celebration

Examples of millennium in a sentence

  1. The book describes the changes that have occurred in the landscape over many millennia.

  2. The year 2000 was celebrated as the beginning of the third millennium.



Origin and Etymology of millennium

New Latin, from Latin mille thousand + New Latin -ennium (as in biennium)


First Known Use: circa 1638

Other Calendar Terms

Rhymes with millennium



MILLENNIUM Defined for Kids

millennium

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noun mil·len·ni·um \mə-ˈle-nē-əm\

Definition of millennium for Students

plural

millennia

\-nē-ə\ or

millenniums

  1. 1 :  a period of 1000 years

  2. 2 :  a 1000th anniversary or its celebration

millennial

\-nē-əl\ adjective




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