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(kwŏ-drăt′ĭk)
Of, relating to, or containing quantities of the second degree.

(kwɒˈdrætɪk) maths
n
(Mathematics) Also called: quadratic equation an equation containing one or more terms in which the variable is raised to the power of two, but no terms in which it is raised to a higher power
(Mathematics) Also: quadratical of or relating to the second power

(kwɒˈdræt ɪk)

1. Algebra. involving the square and no higher power of the unknown quantity; of the second degree.
n.
2. a quadratic polynomial or equation.
[1650–60]

(kwŏ-drăt′ĭk)
Relating to a mathematical expression containing a term of the second degree, such as x2 + 2. ♦ A quadratic equation is an equation having the general form ax2 + bx + c = 0, where a, b, and c are constants. ♦ The quadratic formula is x = [-b ± √(b2 - 4ac)]/2a It is important in algebra, where it is used to calculate the roots of quadratic equations.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 quadratic - an equation in which the highest power of an unknown quantity is a squarequadratic equationequation - a mathematical statement that two expressions are equal 2 quadratic - a polynomial of the second degreequadratic polynomialmultinomial, polynomial - a mathematical function that is the sum of a number of terms Adj. 1 quadratic - of or relating to or resembling a square; "quadratic shapes" 2 quadratic - of or relating to the second power; "quadratic equation"
Translations

References in classic literature ?
Furthermore, it is admitted that never, never, in a million lifetimes, could Michael have demonstrated a proposition in Euclid or solved a quadratic equation.
For five weeks I crammed, until simultaneous quadratic equations and chemical formulas fairly oozed from my ears.
Then he got out note-book and algebra and lost himself in quadratic equations, while the hours slipped by, and the stars dimmed, and the gray of dawn flooded against his window.
Pollack introduces algebraic number theory to readers who are familiar with linear algebra, commutative ring theory, Galois theory, a little abelian groups theory, and elementary number theory up to and including the law of quadratic reciprocity.
This paper outlines an approach to definitively find the general term in a number pattern, of either a linear or quadratic form, by using the general equation of a linear or quadratic function.
In image smoothing node functions play the role of a penalty on the difference between the values of input data and the sought for function, and are usually chosen in quadratic form.
Jonathan Rochelle, the director of Google's education apps group, recently told The New York Times that he "cannot answer" why his children should learn the quadratic equation.
Jonathan Rochelle, the director of Google's education apps group, recently told The New York Times that he"cannot answer" why his children should learn the quadratic equation.
These quadratic models work quite well over the entire factor space and the regression coefficients were computed according to backward elimination method.
Note that the same quadratic dependence is observed, as is well known, for the loss of pressure in local resistances.

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