Meaning of BINARY in English

BINARY

bi ‧ na ‧ ry /ˈbaɪnəri/ BrE AmE adjective

[ Date: 1400-1500 ; Language: Late Latin ; Origin: binarius , from Latin bini 'two by two' ]

1 . the binary system a system of counting, used in computers, in which only the numbers 0 and 1 are used

2 . consisting of two parts SYN double :

a binary star system

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.