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bi·mil·le·na·ry | \ (ˌ)bī-ˈmi-lə-ˌner-ē 
, -ˌne-rē, ˌbī-mə-ˈle-nə-rē \
, -ˌne-rē, ˌbī-mə-ˈle-nə-rē \variants:
or bimillennial \ ˌbī-mə-ˈle-nē-əl \
\Definition of bimillenary
1 : a period of 2000 years
2 : a 2000th anniversary
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Time Traveler for bimillenary
The first known use of bimillenary was in 1850
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