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thirty
[thur-tee]
noun
plural
thirtiesa cardinal number, 10 times 3.
a symbol for this number, as 30 or XXX.
a set of this many persons or things.
Printing, Journalism.30-dash.
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.
adjective
amounting to 30 in number.
thirty
/ ˈθɜːɪ /
noun
the cardinal number that is the product of ten and three See also number
a numeral, 30, XXX, etc, representing this number
(plural) the numbers 30–39, esp the 30th to the 39th year of a person's life or of a century
the amount or quantity that is three times as big as ten
something representing, represented by, or consisting of 30 units
determiner
amounting to thirty
thirty trees
( as pronoun )
thirty are broken
Word History and Origins
Word History and Origins
Origin of thirty1
Example Sentences
In southern and eastern England it could reach the low thirties.
But as they sang and danced about "Five hundred and thirty thousand hearts / Our brilliant city of many parts", I admit, I welled up.
For thirty years, the DCF's Undocumented Child Rule has protected children in need of welfare screening, with the department supposed to be responding to reports of abuse "without regard to the immigration status."
Having a minority-ethnic man in his thirties as one of its figureheads helped temper the criticism from rival parties that Reform, or at least some of its members or supporters, were racist.
For nearly thirty years I was a CDC scientist.
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When To Use
The word thirty (30) is hard to spell because it doesn’t simply combine the spelling of the base number (three) with the suffix -ty, as is done in other easy-to-remember spellings like sixty and seventy. How to spell thirty: When three is combined with suffixes, it transforms from three (a cardinal number) to third (an ordinal number).Then, the d is dropped: thirteen (not thirdteen); thirty (not thirdty). Remember: there's no d in thirty.
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