/
ˈbʌɪnəri/
adj.
- composed of or involving two things.
- using or denoting a system of numerical notation with two as its base, employing the digits 0 and 1.
n.
(pl. binaries)
- the binary system of notation.
- Astronomy a system of two stars revolving round their common centre.
Etymology
ME (in the sense ‘duality, a pair’): from late L. binarius, from bini ‘two together’.
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