1. plural of thirteenth; the ordinal number corresponding to the number thirteen in a sequence
2. plural of thirteenth; one of thirteen equal parts of something

Examples

• The thirteenths in the sequence were marked with special symbols.
• She finished in one of the thirteenths place in multiple races.
• The recipe called for two thirteenths of a cup of sugar.
• Each student received three thirteenths of the total prize money.
• The thirteenths were the most difficult fractions for the class to understand.
• He collected stamps from the thirteenths of various months.