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