|  bimillennium 
 
 1. the 2000th anniversary (or the celebration of it)
 • Syn:
 bimillenary
 • Hypernyms:
 anniversary, day of remembrance
 2. a span of 2000 years
 • Syn:
 bimillenary
 • Derivationally related forms:
 bimillenial
 • Hypernyms:
 time period, period of time, period
 
 
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