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Meaning of centenarian

cen•te•nar•i•an

Pronunciation: (sen"tn-âr'ē-un), [key]
— adj.
  1. pertaining to or having lived 100 years.
—n.
  1. a person who has reached the age of 100.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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