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twenty-ninth

[ twen-tee-nahynth, twuhn- ]
/ ˈtwɛn tiˈnaɪnθ, ˈtwʌn- /
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adjective
next after the twenty-eighth; being the ordinal number for 29.
being one of 29 equal parts.
noun
a twenty-ninth part, especially of one (1/29).
the twenty-ninth member of a series.
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Which of the following nouns has an irregular plural form?
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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