binary has definitions from the field of astronomy
1
[ adjective ] consisting of two (units or components or elements or terms) or based on two

Examples

"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"

Related terms

multiple

2
[ adjective ] of or pertaining to a number system have 2 as its base

Examples

"a binary digit"

Related terms

binary_numeration_system

3
[ noun ] (astronomy) a system of two stars that revolve around each other under their mutual gravitation
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