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Meaning of septuagenarian

sep•tu•a•ge•nar•i•an

Pronunciation: (sep"ch-u-ju-nâr'ē-un, -t-, -ty-), [key]
— adj.
  1. of the age of 70 years or between 70 and 80 years old.
—n.
  1. a septuagenarian person.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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