Definition of iteration in English:

Share this entry


Pronunciation: /ˌidəˈrāSH(ə)n/


1The repetition of a process or utterance.
Example sentences
  • The most dramatic iteration came on the floor of the Senate, when he made it the centerpiece of a carefully prepared 20-minute oration.
  • If I may repeat my iteration from an earlier post.
  • Write a program for policy iteration and re-solve Jack's car rental problem with the following changes.
1.1Repetition of a mathematical or computational procedure applied to the result of a previous application, typically as a means of obtaining successively closer approximations to the solution of a problem.
Example sentences
  • This factor analysis was based on the combined normative samples using principal factoring with iteration plus orthogonal rotation.
  • Convergence is declared when the relative change in likelihood between successive iterations is less than a user-defined threshold.
  • In successive iterations, the depth of the model also increases.
1.2A new version of a piece of computer hardware or software.
Example sentences
  • By contrast, a traditional microprocessor would have had to run many iterations of the software to come up with the answer.
  • Frequently there are a number of iterations, and the development cycle is lengthened and deadlines missed.
  • We also rebooted between test iterations to clear out disk and memory caches.


Late Middle English: from Latin iteratio(n-), from the verb iterare (see iterate).

For editors and proofreaders

Syllabification: it·er·a·tion

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.