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quadratic

Pronunciation: /kwɒˈdratɪk/

Definition of quadratic

adjective

Mathematics

involving the second and no higher power of an unknown quantity or variable:a quadratic equation

noun

a quadratic equation.

Origin:

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