square-shaped / (mathematics) of a polynomial, involving the second power (square) of a variable but no higher powers, as ax²+bx+c. / (mathematics) of an equation, of the form ax²+bx+c=0.

(mathematics) A quadratic polynomial, function or equation.

(sciences) An area of land, marked for studying its plants, animals, soil, natural processes, etc.

(letterpress typography, obsolete) A quad; a blank metal block used to fill space in lines of type.

Quality of being quadrate.

The quality of being quadratic.

plural of quadratic function

plural of quadratic formula

(mathematics) A number (real or complex) which is a solution to an equation of the form x²+Bx+C=0 for some integers B and C. For example 42, or 2+3i, or 1+√/2.

(number theory) The mathematical theorem which states that, for given odd prime numbers p and q, the question of whether p is a square modulo q is equivalent to the question of whether q is a square modulo p.