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bimillennium

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bi⋅mil⋅len⋅ni⋅um

[bahy-mi-len-ee-uhm]
–noun, plural -len⋅ni⋅ums, -len⋅ni⋅a [-len-ee-uh] .
1. a period of two thousand years.
2. a two thousandth anniversary.
Also, bimillenary, bimillennial.


Origin:
bi- 1 + millennium
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To bimillennium
bi·mil·len·ni·um   (bī'mə-lěn'ē-əm)   
n.   pl. bi·mil·len·ni·ums or bi·mil·len·ni·a (-lěn'ē-ə)
  1. A span of 2,000 years.

  2. A 2,000th anniversary.

bi'mil·len'ni·al adj., bi'mil·len'ni·al·ly adv.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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