Math.
a function that can be expressed as a root of an equation in which a polynomial, in the independent and dependent variables, is set equal to zero.
Math.
a function that can be expressed as a root of an equation in which a polynomial, in the independent and dependent variables, is set equal to zero.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012