ternary

adjective
ter·na·ry | \ˈtər-nə-rē \

Definition of ternary 

1a : of, relating to, or proceeding by threes

b : having three elements, parts, or divisions

c : arranged in threes ternary petals

2 : using three as the base a ternary logarithm

3a : being or consisting of an alloy of three elements

b : of, relating to, or containing three different elements, atoms, radicals, or groups sulfuric acid is a ternary acid

4 : third in order or rank

First Known Use of ternary

15th century, in the meaning defined at sense 1a

History and Etymology for ternary

Middle English, from Latin ternarius, from terni three each; akin to Latin tres three — more at three

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The first known use of ternary was in the 15th century

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More Definitions for ternary

ternary

adjective
ter·na·ry | \ˈtər-nə-rē \

Medical Definition of ternary 

1 : having three elements, parts, or divisions

2a : being or consisting of an alloy of three elements

b : of, relating to, or containing three different elements, atoms, radicals, or groups a ternary acid

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