eightieth
/ˈeɪtiəθ/
adjective
- Coming after the seventy-ninth in position or order.
- The eightieth chapter of the book is the most exciting.
- This is her eightieth birthday, and we are throwing a big party.
- He finished in eightieth place out of a hundred runners.
noun
- One of eighty equal parts of something.
- Each shareholder owns an eightieth of the company.
- He received an eightieth of the total inheritance.
- The recipe calls for an eightieth of a teaspoon of salt.