root field
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root field — Math. See splitting field … Useful english dictionary
Root cause analysis — (RCA) is a class of problem solving methods aimed at identifying the root causes of problems or events. Root Cause Analysis is any structured approach to identifying the factors that resulted in the nature, the magnitude, the location, and the… … Wikipedia
Root-knot nematode — Larva of root knot nematode, Meloidogyne incognita, magnified 500×, shown here penetrating a tomato root Scientific classification Kingdom … Wikipedia
Root Sports Northwest — Launched 1987 (as Northwest Cable Sports) Network Fox Sports Net Owned by DirecTV Sports Networks Country … Wikipedia
Root hog, or die — is a common American catch phrase dating from well before 1834. [Crockett, A Narrative of the Life of David Crockett , p. 117 118: We know d that nothing more could happen to us if we went than if we staid, for it looked like it was to be… … 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
Field extension — In abstract algebra, field extensions are the main object of study in field theory. The general idea is to start with a base field and construct in some manner a larger field which contains the base field and satisfies additional properties. For… … Wikipedia
Field (mathematics) — This article is about fields in algebra. For fields in geometry, see Vector field. For other uses, see Field (disambiguation). In abstract algebra, a field is a commutative ring whose nonzero elements form a group under multiplication. As such it … Wikipedia
Root datum — In mathematics, the root datum (donnée radicielle in French) of a connected split reductive algebraic group over a field is a generalization of a root system that determines the group up to isomorphism. They were introduced by M. Demazure in SGA… … Wikipedia
root — root1 rootlike, adj. /rooht, root/, n. 1. a part of the body of a plant that develops, typically, from the radicle and grows downward into the soil, anchoring the plant and absorbing nutriment and moisture. 2. a similar organ developed from some… … Universalium
