fifty-third

[fif-tee-thurd]
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adjective

next after the fifty-second; being the ordinal number for 53.
being one of 53 equal parts.

noun

a fifty-third part, especially of one (1/53).
the fifty-third member of a series.

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

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