OXFORD DICTIONARY
, adj. & n.
--adj.
1 a dual. b of or involving pairs.
2 of the arithmetical system using 2 as a base.
--n. (pl. -ies)
1 something having two parts.
2 a binary number.
3 a binary star.
binary code Computing a coding system using the binary digits 0 and
1 to represent a letter, digit, or other character in a computer (see BCD). binary compound Chem. a compound having two elements or radicals. binary fission the division of a cell or organism into two parts. binary number (or digit) one of two digits (usu. 0 or 1) in a binary system of notation. binary star a system of two stars orbiting each other.
binary system a system in which information can be expressed by combinations of the digits 0 and
1 (corresponding to 'off' and 'on' in computing). binary tree a data structure in which a record is branched to the left when greater and to the right when less than the previous record.
LL binarius f. bini two together
THESAURUS
Janus-like, ambidextrous, bifacial, bifold, biform, bilateral, binate, biparous, bivalent, conduplicate, disomatous, double, double-barreled, double-faced, dual, dualistic, duple, duplex, duplicate, geminate, geminated, second, secondary, twin, twinned, two-faced, two-level, two-ply, two-sided, two-story, twofold
ROGET THESAURUS
Duality
N
duality, dualism, duplicity, biplicity, biformity, polarity, two, deuce, couple, duet, brace, pair, cheeks, twins, Castor and Pollux, gemini, Siamese twins, fellows, yoke, conjugation, dispermy, doublets, dyad, span, two, twin, dual, dualistic, double, binary, binomial, twin, biparous, dyadic, conduplicate, duplex, biduous, binate, diphyletic, dispermic, unijugate, tete-a-tete, coupled, conjugate, both, both the one and the other.