Meaning of twenty

twen•ty

Pronunciation: (twen'tē, twun'-), [key]
— n., pl. adj. -ties,
—n.
  1. a cardinal number, 10 times 2.
  2. a symbol for this number, as 20 or XX.
  3. a set of this many persons or things.
  4. a twenty-dollar bill: Can you give me two tens for a twenty?
  5. the numbers, years, degrees, or the like, from 20 through 29, as in referring to numbered streets, indicating the years of a lifetime or of a century, or referring to degrees of temperature: He lives in the West Twenties. She's in her early twenties. The temperature must be in the high twenties today.
—adj.
  1. amounting to 20 in number.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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