| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024thir•ti•eth (thûr′tē ith),USA pronunciation adj. - next after the twenty-ninth;
being the ordinal number for 30. - being one of 30 equal parts.
n. - a thirtieth part, esp. of one (1⁄30).
- the thirtieth member of a series.
- bef. 900; thirty + -eth2; replacing Middle English thrittythe, Old English thrītegtha
Collins Concise English Dictionary © HarperCollins Publishers:: ˈthirtieth /ˈθɜːtɪɪθ/ adj - (usually prenominal) being the ordinal number of thirty in counting order, position, time, etc: often written 30th
- (as noun): the thirtieth of the month
n - one of 30 approximately equal parts of something
- (as modifier): a thirtieth part
- the fraction equal to one divided by 30 ( 1⁄30)
thir•ty /ˈθɜrti/USA pronunciation n., pl. -ties, adj. n. [countable] - a cardinal number, 10 times 3.
- a symbol for this number, as 30 or XXX.
- a set of this many persons or things.
- thirties, the numbers from 30 through 39, as in the years of a lifetime or of a century, or to degrees of temperature:temperatures in the low thirties; a teacher in her thirties.
adj. [before a noun] - amounting to 30 in number.
thir•ti•eth, adj., n. [countable] WordReference Random House Unabridged Dictionary of American English © 2024thir•ty (thûr′tē),USA pronunciation n., pl. -ties, adj. n. - a cardinal number, 10 times 3.
- a symbol for this number, as 30 or XXX.
- a set of this many persons or things.
- Journalism[Print., 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.
adj. - amounting to 30 in number.
- bef. 900; Middle English thritty, Old English thrītig, equivalent. to thrī three + -tig -ty1; cognate with Dutch dertig, German dreissig, Old Norse thrjātīu
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