bimillennium

bimillennium

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


Origin:
bi-1 + millennium

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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WordNet
bimillennium

noun
1. the 2000th anniversary (or the celebration of it) 
2. a span of 2000 years 
WordNet® 3.0, © 2006 by Princeton University.
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