BINARY

Definition

1. adjective of or pertaining to a number system have 2 as its base.
2. adjective consisting of two (units or components or elements or terms).
3. noun a system of two stars that revolve around each other under their mutual gravitation. — synonyms: binary_star, double_star
4. noun a pre-compiled, pre-linked program that is ready to run under a given operating system. — synonyms: binary_program