binary
adjective
[ ˈbʌɪnəri ]
• relating to, composed of, or involving two things.
• relating to, using, or denoting a system of numerical notation that has 2 rather than 10 as a base.
binary
noun
• the binary system of notation.
• "the device is counting in binary"
• something having two parts.
Origin:
late Middle English (in the sense ‘duality, a pair’): from late Latin binarius, from bini ‘two together’.
