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Meaning of nonagenarian

non•a•ge•nar•i•an

Pronunciation: (non"u-ju-nâr'ē-un, nō"nu-), [key]
— adj.
  1. of the age of 90 years, or between 90 and 100 years old.
—n.
  1. a nonagenarian person.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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