Meaning of analytic continuation

analyt'ic continua'tion

Pronunciation: [key]
— Math. Math.
  1. a method of finding a function that coincides with a given analytic function in a domain and that remains analytic in a larger domain.
  2. any function found by this method.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.