quadratic /kwɒdˈɹætɪk/adjective 2noun 1forms 1 adjective2 •Of a polynomial, equation or function, second-degree: involving the second power (square) of a variable but no higher powers, as ax²+bx+c. •Square-shaped. noun1 •A quadratic polynomial, function or equation.If the binomial roots of a series of quadratics be squaredly squared, and those results be constant portions of the cube of the resolvend, and the dioristic limit; […] — 1809 formsquadratics
