Meaning of Newton's method

New'ton's meth'od

Pronunciation: [key]
— Math. Math.
  1. a process for approximating the roots of an equation by replacing the curve representing the equation by its tangent and finding the intersection of the tangent with the x-axis and iterating this process.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.