#1 ternary n. [three, 3, III, trio, threesome, tierce, leash, troika, triad, trine, trinity, ternion, triplet, tercet, terzetto, trey, deuce-ace] the cardinal number that is the sum of one and one and one. wn
#2 ternary s. [treble, triple, triplex] 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". wn
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