Look up binary in Wiktionary, the free dictionary.

Binary means composed of two parts or two pieces. It contrasts with Unary, Ternary, Quaternary, and so on.

Binary may also refer to:

• Binary option, also known as digital option OR all-or-nothing option
• Binary numeral system, a representation for numbers using only two digits (usually, 0 and 1)
• Binary function, a function in mathematics that takes two arguments
• Binary data, composed of something other than human-readable text
• Executable, a "binary", containing machine code for the computer to execute
• Binary compound, a chemical compound containing two different chemical elements
  • Binary explosive, an explosive made of two components that become explosive when mixed.
  • Binary (chemical weapon), containing two chemicals that when combined make a toxic agent
• Binary fission, the splitting of a single-celled organism into two daughter cells
• 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
• Binary (novel), a 1972 novel by Michael Crichton (writing as John Lange)
• Binary (comics), a superheroine in the Marvel Universe
• Binary form, a way of structuring a piece of music
• Binary bet, a bet on a proposition which is quoted as a spread bet
• Binary code, the digital representation of text and data.

See also

• Binary prefix, indicating magnitude multipliers in a base-two number system (e.g., kilo-, kibi-, etc.)
• Binary tree, a computer tree data structure in which each node has at most two children
• 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
• Binomial (disambiguation)

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