Look up binary in Wiktionary, the free dictionary.

Binary may refer to:

Science and technology

Mathematics

• Binary number, a representation of numbers using only two digits (0 and 1)
• Binary function, a function that takes two arguments
• Binary operation, a mathematical operation that takes two arguments
• Binary relation, a relation involving two elements
• Binary-coded decimal, a method for encoding for decimal digits in binary sequences
• Finger binary, a system for counting in binary numbers on the fingers of human hands

Computing

• Binary code, the representation of text and data using only the digits 1 and 0
• Bit, or binary digit, the basic unit of information in computers
• Binary file, composed of something other than human-readable text
  • Executable, a type of binary file that contains machine code for the computer to execute
• Binary tree, a computer tree data structure in which each node has at most two children

Astronomy

• Binary star, a star system with two stars in it
• Binary planet, two planetary bodies of comparable mass orbiting each other
• Binary asteroid, two asteroids orbiting each other

Biology

• Binary fission, the splitting of a single-celled organism into two daughter cells

Chemistry

• Binary phase, a chemical compound containing two different chemical elements

Arts and entertainment

• Binary (Doctor Who audio)

Marvel Comics

• Binary, the name of two superheroines in the Marvel Universe
  • Binary (Carol Danvers), a Marvel Comics character
  • Binary (Marvel Cinematic Universe), or Maria Rambeau, a Marvel Cinematic Universe character

Music

• Binary form, a way of structuring a piece of music
• Binary (Ani DiFranco album), 2017
• Binary (Kay Tse album), 2008
• "Binary" (song), a 2007 single by Assemblage 23

Novel

• Binary (novel), a 1972 novel by Michael Crichton (writing as John Lange)
• Binary, an evil organization in the novel InterWorld

Other uses

• Binary opposition, polar opposites, often ignoring the middle ground
• Gender binary, the classification of sex and gender into two distinct and disconnected forms of masculine and feminine