Definition of quadratic in US English: quadratic
adjective Mathematics Involving the second and no higher power of an unknown quantity or variable.
More example sentences
‘In 1826 Cauchy, in the context of quadratic forms in n variables, used the term ‘tableau’ for the matrix of coefficients.’ ‘Find the 2 roots and a continued fraction for a root of these quadratic equations.’ ‘If f = 0, then the quartic in y is actually a quadratic equation in the variable y 2.’ ‘He was able to use his methods to prove many results in the theory of quadratic forms and number theory.’ ‘Smith also extended Gauss's theorem on real quadratic forms to complex quadratic forms.’ noun A quadratic equation.
Example sentences
‘The sparseness of the quadratics is what is important here.’ ‘This is certainly possible and the Babylonians' understanding of quadratics adds some weight to the claim.’ ‘Historically, imaginary numbers first came to light when trying to solve cubic equations, rather than quadratics.’ ‘The thought that quadratics are now seen as ‘high brow’ really does, once again, make me despair.’ ‘For that matter quadratics aren't all that tough.’ Origin Mid 17th century: from French quadratique or modern Latin quadraticus, from quadratus ‘made square’, past participle of quadrare (see quadrate).
Pronunciation quadratic /kwäˈdradik/ /kwɑˈdrædɪk/