ternary form

noun
UK /ˈtɜːnəri fɔːm/
US /ˈtɜːrnəri fɔːrm/

A way of writing music with three parts, where the first part comes back at the end.

The song uses ternary form, so the opening tune returns after the middle section.


OTHER MEANINGS

2. A logical system in which every statement has exactly three possible truth values.

The philosopher studied ternary form in his logic class.

3. A structure or pattern made of three parts or elements.

The poem's ternary form divides neatly into three stanzas.

4. In chemistry, a compound made of three different elements.

Water is a simple ternary form of hydrogen and oxygen.