Definition of iteration in English:


Line breaks: it¦er|ation
Pronunciation: /ɪtəˈreɪʃ(ə)n


[mass noun]
  • 1The repetition of a process or utterance.
    More 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.
    More 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.
  • 1.2 [count noun] A new version of a piece of computer hardware or software.
    More 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).

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