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Root element — Each XML document has exactly one single root element. This element is also known as the document element. It encloses all the other elements and is therefore the sole parent element to all the other elements. The World Wide Web Consortium… … Wikipedia
root — root1 [ro͞ot, root] n. [ME rote < Late OE < ON rot, akin to OE wyrt, Ger wurzel < IE base * wrād , twig, root > Gr rhiza, L radix, root, ramus, branch] 1. the part of a plant, usually below the ground, that lacks nodes, shoots, and… … English World dictionary
element — [n1] essential feature aspect, basic, basis, bit, component, constituent, detail, drop, facet, factor, fundamental, hint, ingredient, item, material, matter, member, part, particle, particular, piece, portion, principle, root, section, stem,… … New thesaurus
Root group — A root group G, is a group together with a set of prime numbers P={p 1,p 2,...}, satisfying the axiom::g in G land pin P Rightarrow exists h in G, ; h^p=g;.To specify the set of primes, a group may be referred to as a P root group. For a single… … Wikipedia
Root of unity — The 5th roots of unity in the complex plane In mathematics, a root of unity, or de Moivre number, is any complex number that equals 1 when raised to some integer power n. Roots of unity are used in many branches of mathematics, and are especially … Wikipedia
Root system — This article discusses root systems in mathematics. For root systems of plants, see root. Lie groups … Wikipedia
Root nameserver — A root name server is a DNS server that answers requests for the DNS root zone, and redirects requests for a particular top level domain (TLD) to that TLD s nameservers. Although any local implementation of DNS can implement its own private root… … Wikipedia
Root (chord) — This article is about chord roots. For interval roots, see interval root. Root, in red, of a C major chord ( … Wikipedia
root — I. /rut / (say rooht) noun 1. a part of the body of a plant which, typically, develops from the radicle, and grows downwards into the soil, fixing the plant and absorbing nutriment and moisture. 2. a similar organ developed from some other part… …
root — 1. n. & v. n. 1 a the part of a plant normally below the ground, attaching it to the earth and conveying nourishment to it from the soil. b (in pl.) such a part divided into branches or fibres. c the corresponding organ of an epiphyte; the part… … Useful english dictionary
root — I. noun Usage: often attributive Etymology: Middle English, from Old English rōt, from Old Norse; akin to Old English wyrt root, Latin radix, Greek rhiza Date: 12th century 1. a. the usually underground part of a seed plant body that originates… … New Collegiate Dictionary