One-third and Tierce

One-third noun - One of three equal parts of a divisible whole.

Tierce is a synonym for one-third. In some cases you can use "Tierce" instead a noun phrase "One-third".

Tierce noun - One of three equal parts of a divisible whole.

One-third is a synonym for tierce. You can use "One-third" instead a noun "Tierce".