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twenty-eighth

[twen-tee-eytth, -eyth, twuhn-]
adjective
  1. next after the twenty-seventh; being the ordinal number for 28.
  2. being one of 28 equal parts.
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noun
  1. a twenty-eighth part, especially of one (1/28).
  2. the twenty-eighth member of a series.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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