- made up of three parts or things; threefold; triple
- third in order or rank
- Chem. of or containing three different atoms, elements, radicals, etc.
- having three as a base
- involving three variables
- Metallurgy of an alloy of three elements
Origin of ternaryMiddle English from Classical Latin ternarius from terni, three each from tres, three
Rare a group or set of three
- Composed of three or arranged in threes.
- Mathematics a. Having the base three.b. Involving three variables.
A group of three.
Origin of ternaryMiddle English from Latin ternārius from ternī three each ; see tern 2.
- Made up of three things; treble, triadic, triple, triplex
- Arranged in groups of three
- (mathematics) To the base three
- (mathematics) Having three variables
- (chemistry) Containing, or consisting of, three different parts, as elements, atoms, groups, or radicals, which are regarded as having different functions or relations in the molecule.
- Sodic hydroxide, NaOH, is a ternary compound.
Late Latin ternarius (“consisting of three things"), from terni (“three each").