You searched for: “ternary
ternary
1. Consisting of, or involving, three; threefold; triple.
2. Third in order or rank.
3. Based on the number three.
4. Pertaining to, consisting of, compounded of, or characterized by a set (or sets) of three; threefold, triple.

A ternary system (of classification), one in which each division is into three parts.

This entry is located in the following units: -ary (page 13) terti-, tern-, ter- + (page 1) tri-, tre- (page 1)