a square root
41root — 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… …
42Square — may mean:Mathematics*Square (algebra), to multiply a number or other quantity by itself **Perfect square **Square matrix **Square number **Square root*Square (geometry), a polygon with four equal sides and angles **Unit square*Square wave, a… …
43root mean square — square root of the average of the sum of a given set of squared numbers …
44root-mean-square value — square root of the average of squared numbers …
45Root mean square — In mathematics, the root mean square (abbreviated RMS or rms), also known as the quadratic mean, is a statistical measure of the magnitude of a varying quantity. It is especially useful when variates are positive and negative, e.g., sinusoids.It… …
46Root 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 …
47Root rectangle — In geometry, a root rectangle is rectangle in which the ratio of the longer side to the shorter is the square root of an integer, such as √2, √3, etc.cite book author=Jay Hambidge authorlink=Jay Hambidge title=Dynamic Symmetry: The Greek Vase… …
48Root-mean-square deviation — For the application of root mean square deviation to bioinformatics, see Root mean square deviation (bioinformatics). The root mean square deviation (RMSD) or root mean square error (RMSE) is a frequently used measure of the differences between… …
49root — 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… …
50Root — /rooht/, n. 1. Elihu /el euh hyooh /, 1845 1937, U.S. lawyer and statesman: Nobel peace prize 1912. 2. John Wellborn /wel beuhrn/, 1851 91, U.S. architect. * * * In botany, the underground anchoring part of a plant. It grows downward in response… …
