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Meaning of fifty

fif•ty

Pronunciation: (fif'tē), [key]
— n., pl. adj. -ties,
—n.
  1. a cardinal number, ten times five.
  2. a symbol for this number, as 50 or L.
  3. a set of this many persons or things.
  4. the numbers, years, degrees, or the like, from 50 through 59, as in referring to numbered streets, indicating the years of a lifetime or of a century, or degrees of temperature: She lives in the East Fifties. He's in his late fifties. It's going to be in the fifties again today.
  5. a fifty-dollar bill: He had a fifty and two tens in his wallet.
—adj.
  1. amounting to 50 in number.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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