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Ternary (from Latin ternarius) or trinary is an adjective meaning "composed of three items". It can refer to:

Mathematics and logic[edit]


  • Ternary signal, a signal that can assume three significant values
  • Ternary computer, a computer using a ternary numeral system
  • Ternary tree, a tree data structure in computer science
  • Ternary search, a computer science technique for finding the minimum or maximum of a function
  • Ternary heap, a data structure in computer science
  • Ternary Golay code, a perfect [11, 6, 5] ternary linear code
  • ?:, a ternary conditional operator used for basic conditional expressions in several programming languages

Other uses[edit]

See also[edit]