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Meaning of bicentennial

bi•cen•ten•ni•al

Pronunciation: (bī"sen-ten'ē-ul), [key]
— adj.
  1. pertaining to or in honor of a 200th anniversary: bicentennial celebration; a bicentennial exposition.
  2. consisting of or lasting 200 years: a bicentennial period.
  3. occurring every 200 years: the bicentennial return of a comet.
—n.
  1. a 200th anniversary: The United States had its bicentennial in 1976.
  2. a celebration of such an anniversary.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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