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Webster 1913 Edition
Thirtieth
1.
Next in order after the twenty-ninth; the tenth after the twentieth; – the ordinal of thirty;
as, the
. thirtieth
day of the month2.
Constituting or being one of thirty equal parts into which anything is divided.
Thir′ti-eth
,Noun.
The quotient of a unit divided by thirty; one of thirty equal parts.
Webster 1828 Edition
Thirtieth
THIRTIETH
,Adj.
Definition 2024
thirtieth
thirtieth
English
Adjective
thirtieth (not comparable)
- The ordinal form of the number thirty.
Synonyms
- (abbreviations): 30th, 30th
- (obsolete): trigesimal
Translations
the ordinal form of the number thirty
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Noun
thirtieth (plural thirtieths)
- The person or thing in the thirtieth position.
- One of thirty equal parts of a whole.
Translations
the person or thing in the thirtieth position
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one of thirty equal parts of a whole