Binary system (disambiguation)

Binary system may refer to:

• Binary number system, the base-2 internal "machine language" of computers
• Binary opposition, a bipolar distinction in philosophy, structuralism and critical theory
• Binary system (astronomy), a system of two celestial bodies on a mutual orbit
• Binary asteroid
• Binary star
• Contact binary
• Contact binary (asteroid)
• Double planet
• In chemistry, a system involving two steps, processes or substances
• Mixture
• Azeotrope
• Binary System, a music duo featuring rock musician Roger Miller