1. consisting of three parts or elements
2. relating to or using a base-three number system
Usage: mathematics; computing

Examples

• The trinary classification system divided the data into three distinct categories.
• Computer scientists studied trinary logic as an alternative to binary systems.
• The trinary structure of the molecule made it particularly stable.
• In trinary notation, the number 9 is written as 100.
• The committee proposed a trinary approach to solving the problem.
• Trinary code uses digits 0, 1, and 2 instead of just 0 and 1.