From The Collaborative International Dictionary of English v.0.44 [gcide]:
Binary \Bi"na*ry\, noun That which is constituted of two figures, things, or parts; two; duality. --Fotherby.
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Binary \Bi"na*ry\, adjective [L. binarius, fr. bini two by two, two at a time, fr. root of bis twice; akin to E. two: cf. F. binaire.] Compounded or consisting of two things or parts; characterized by two (things).
{Binary arithmetic}, that in which numbers are expressed according to the binary scale, or in which two figures only, 0 and 1, are used, in lieu of ten; the cipher multiplying everything by two, as in common arithmetic by ten. Thus, 1 is one; 10 is two; 11 is three; 100 is four, etc. --Davies & Peck.
{Binary compound} (Chem.), a compound of two elements, or of an element and a compound performing the function of an element, or of two compounds performing the function of elements.
{Binary logarithms}, a system of logarithms devised by Euler for facilitating musical calculations, in which 1 is the logarithm of 2, instead of 10, as in the common logarithms, and the modulus 1.442695 instead of .43429448.
{Binary measure} (Mus.), measure divisible by two or four; common time.
{Binary nomenclature} (Nat. Hist.), nomenclature in which the names designate both genus and species.
{Binary scale} (Arith.), a uniform scale of notation whose ratio is two.
{Binary star} (Astron.), a double star whose members have a revolution round their common center of gravity.
{Binary theory} (Chem.), the theory that all chemical compounds consist of two constituents of opposite and unlike qualities.
From WordNet (r) 2.0 [wn]:
adjective
1: of or pertaining to a number system have 2 as its base; "a binary digit"
2: consisting of two (units or components or elements or terms) or based on two; "a binary star is a system in which two stars revolve around each other"; "a binary compound"; "the binary number system has two as its base"
noun
1: a system of two stars that revolve around each other under their mutual gravitation [syn: {binary star}, {double star}]
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
31 Moby Thesaurus words for "binary": 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
From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]:
1. {Base} two. A number representation consisting of zeros and ones used by practically all computers because of its ease of implementation using digital electronics and {Boolean algebra}. 2. Any file format for {digital} {data} encoded as a sequence of {bit}s but not consisting of a sequence of printable {characters} ({text}). The term is often used for executable {machine code}. Of course all digital data, including characters, is actually binary data (unless it uses some (rare) system with more than two discrete levels) but the distinction between binary and text is well established. 3. A description of an {operator} which takes two {arguments}. See also {unary}, {ternary}. (1998-07-29)
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