Synonyms for *bi-nary*

- algebraic
- algorithmic
- arithmetic
- arithmetical
- binary
- differential
- digital
- exponent
- exponential
- fraction
- fractional
- integral
- logarithm
- logarithmic
- mathematical
- numeral
- numerary
- statistical

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Antonyms for *bi-nary*

- alphabetic
- alphabetical

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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the
Philip Lief Group.

## WORD ORIGIN

"dual," mid-15c., from Late Latin binarius "consisting of two," from bini "twofold, two apiece, two-by-two" (used especially of matched things), from bis "double" (see bis-). Binary code in computer terminology was in use by 1952, though the idea itself is ancient. Binary star in astronomy is from 1802.