noun
twelfth
One of twelve equal parts of a whole.
Each monthly payment covers one twelfth of the annual fee.
Etymology
The ordinal form of twelve also supplies the fraction-name. A twelfth is one equal share of a whole divided into twelve.
More examples
- A single inch is a twelfth of a foot.
- She divides the cake into twelfths.
- Three twelfths of the class walk to school.
Forms
twelfth · twelfths
twelve numeral — The number equal to ten plus two.