# Definition of *binary* in English:

## binary

## adjective

1Relating to, composed of, or involving two things.

Example sentences

- By detecting how far apart the partners are and how rapidly they orbit each other, scientists can determine the mass, volume, and composition of the binary asteroids.
- To avoid the binary thinking that collapses complexity, it is necessary to assess both similarities and differences while watchful for the excesses of either prejudice.
- In the inorganic world, combustion can work the other way around, providing the energy to drive redox reactions and to form complex oxides from binary components.

2Relating to, using, or denoting a system of numerical notation that has 2 rather than 10 as a base.

Example sentences

- Electronic computers are today machines based on binary arithmetic but this was not so for the ENIAC computer.
- His favourite topics in number theory included binary quadratic forms, quadratic residues, Gauss sums and Fermat quotients.
- I'll try to explain why this is so: like any number we can, theoretically at least, write Omega in binary notation, as a string of 0s and 1s.

## noun ( plural binaries)

1

*The binary system of notation:* [ mass noun] *the device is counting in binary*
More example sentences

- What are the rules for converting fractions to binary and octal and vice versa?
- If we had written the number as a decimal or even in binary then it looks a pretty nondescript number.
- I saw the behavior of this termite for over a month before I finally realized what it was doing - counting in binary.

2Something having two parts.

Example sentences

- This is to deconstruct the binary of time/space, where they collapse to form a moving present, it is ‘space that it is lived and is transformed by imagination’.
- Abe Burmeister says ‘the act of creating a binary is also an act of exclusion.’
- Painter and publican Chris Roddy offers this transcendent perspective, due presumably to the amount of time he has spent on either side of the binary.

2.1A binary star.

Example sentences

- They deliberately bypassed many non-yellow suns (cepheid variables, close binaries and multiples, giants and dwarfs) until they reached the very next yellow sun.
- Widely separated binaries, such as visual binary stars, may have formed by tidal capture.
- It was not until 1802 that Herschel agreed that binaries existed and could be distinguished telescopically.

## Origin

Late Middle English (in the sense 'duality, a pair'): from late Latin *binarius*, from *bini* 'two together'.

## Words that rhyme with binary

finery, pinery, quinary, vinery, winery## For editors and proofreaders

Line breaks: bin¦ary

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