eighty-first
[ ey-tee-furst ]
adjective
next after the eightieth; being the ordinal number for 81.
being one of 81 equal parts.
noun
an eighty-first part, especially of one (1/81).
the eighty-first member of a series.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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