thirtieth
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/ˈθɜːrtiəθ/
🇬🇧
/ˈθɜːtiəθ/
A part or portion that represents one out of thirty equal parts of a whole.
The thirtieth slice of cake was the last one left.
The position in a sequence that follows the twenty-ninth and precedes the thirty-first.
On the thirtieth of June, we will celebrate our anniversary.