Ternary (adjective)

Consisting of three parts or elements.

Origin:

Derived from the latin word 'ternarius' meaning 'composed of three parts', first used in the late 16th century.

Examples:

1. The ternary system of classification is widely used in biology.
2. The ternary form is a popular structure in classical music.
3. The ternary operator is a common shorthand used in programming languages.
4. The ternary phase diagram shows the relationships between three variables.
5. The ternary relationship between the three main characters was complex and difficult to understand.