ternary

Adjective

• having three units or components or elements
  • a ternary operation
    
  • a treble row of red beads
    
  • overcrowding made triple sessions necessary
    
  • triple time has three beats per measure
    
  • triplex windows
    

Noun

• the cardinal number that is the sum of one and one and one

Related words

• Synonyms: 
  treble , triple , triplex , three , 3 , III , trio , threesome , tierce , leash , troika , triad , trine , trinity