binary

nouns

a system of two stars that revolve around each other under their mutual gravitation
a pre-compiled, pre-linked program that is ready to run under a given operating system; a binary for one operating system will not run on a different operating system
"the same source code can be compiled to produce different binaries for different operating systems"

adjectives

of or pertaining to a number system have 2 as its base
"a binary digit"
consisting of two (units or components or elements or terms)
"a binary star is a system in which two stars revolve around each other"; "a binary compound"; "the binary number system has two as its base"
is similar to
having or involving or consisting of more than one part or entity or individual
"multiple birth"; "multiple ownership"; "made multiple copies of the speech"; "his multiple achievements in public life"; "her multiple personalities"; "a pineapple is a multiple fruit"