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Dictionary


thir•ty



Pronunciation: (thûr'tē), [key]
n., pl. -ties,
adj.


n.
1. a cardinal number, 10 times 3.
2. a symbol for this number, as 30 or XXX.
3. a set of this many persons or things.
4. Print., Journalism.30-dash.
5. thirties,the numbers, years, degrees, or the like, from 30 through 39, as in referring to numbered streets, indicating the years of a lifetime or of a century, or referring to degrees of temperature: He works in the East Thirties. She must be in her thirties. The temperature was in the thirties yesterday.

adj.
amounting to 30 in number.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

thirtiethThirty-dash
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