thirtyfirst

thirty-first

[thur-tee-furst]
adjective
1.
next after the thirtieth; being the ordinal number for 31.
2.
being one of 31 equal parts.
noun
3.
a thirty-first part, especially of one (1/31).
4.
the thirty-first member of a series.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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