Definition of quadratic in English:


Syllabification: quad·rat·ic
Pronunciation: /kwäˈdratik


Involving the second and no higher power of an unknown quantity or variable: a quadratic equation
More example sentences
  • In 1826 Cauchy, in the context of quadratic forms in n variables, used the term ‘tableau’ for the matrix of coefficients.
  • If f = 0, then the quartic in y is actually a quadratic equation in the variable y 2.
  • Smith also extended Gauss's theorem on real quadratic forms to complex quadratic forms.


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A quadratic equation.
More example sentences
  • Historically, imaginary numbers first came to light when trying to solve cubic equations, rather than quadratics.
  • 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.


mid 17th century: from French quadratique or modern Latin quadraticus, from quadratus 'made square', past participle of quadrare (see quadrate).

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Word of the day retroflex
Pronunciation: ˈretrəˌfleks
turned backward