twenty-eighth

[twen-tee-eytth, -eyth, twuhn-]
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adjective

next after the twenty-seventh; being the ordinal number for 28.
being one of 28 equal parts.

noun

a twenty-eighth part, especially of one (1/28).
the twenty-eighth member of a series.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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