Definition of iteration in English:



mass noun
  • 1The repetition of a process or utterance.

    • ‘Write a program for policy iteration and re-solve Jack's car rental problem with the following changes.’
    • ‘If I may repeat my iteration from an earlier post.’
    • ‘Start with a relatively simple service and move forward in short iterations.’
    • ‘The most dramatic iteration came on the floor of the Senate, when he made it the centerpiece of a carefully prepared 20-minute oration.’
    • ‘And of course the announcements were largely iterations of existing products and/or concepts.’
    1. 1.1 Repetition 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.
      • ‘The output typically appeared to be nonstationary for up to 200,000 iterations of the algorithm.’
      • ‘In successive iterations, the depth of the model also increases.’
      • ‘Convergence is declared when the relative change in likelihood between successive iterations is less than a user-defined threshold.’
      • ‘Constructing a probabilistic model, we performed 1,000 iterations of this scenario.’
      • ‘This factor analysis was based on the combined normative samples using principal factoring with iteration plus orthogonal rotation.’
      repetition, repetitiveness, repetitiousness, reiteration, redundancy, superfluity, periphrasis, duplication
      View synonyms
    2. 1.2count noun A new version of a piece of computer hardware or software.
      • ‘Frequently there are a number of iterations, and the development cycle is lengthened and deadlines missed.’
      • ‘Our Pirate game has gone through several iterations in its four-year development process.’
      • ‘The first iteration of Verizon's fiber network will download 30 megabits per second.’
      • ‘"I wish a wider search criterion had been used in the first iteration!’
      • ‘Now, sometimes you have to cycle the state machine through a few iterations before you get to an output state.’
      • ‘The previous Aurora wasn't bad, but the latest iteration is more " me too " than distinctive.’
      • ‘Perhaps worse, significant delivery delays associated with design iterations mean reduced market share and lost revenue.’
      • ‘Over a decade has passed since then, and Namco have refined, reworked and polished the Tekken formula through many iterations.’
      • ‘However, licensing problems from Microsoft have made the device less than entirely useful in its first iterations.’
      • ‘Through its many iterations, Worms has culminated into WWP; a well-polished title in its own right.’
      • ‘By contrast, a traditional microprocessor would have had to run many iterations of the software to come up with the answer.’
      • ‘Over the past decade Web design has gone through many iterations, driven by the ever-changing environment.’
      • ‘For a game that has seen three iterations, I would've expected a bit more stability than my experience with it on my computer.’
      • ‘What are the barriers to the technology reaching its full potential in future iterations?’
      • ‘We also rebooted between test iterations to clear out disk and memory caches.’
      • ‘If one can get past all this, Settlers is quite charming and this facet alone explains why it has endured for four iterations and possibly more in the future.’
      • ‘Does each server hold just a portion of a single massive game universe, or are multiple iterations of the universe planned?’
      • ‘The voiceovers, missions, and story seem if possible even better than previous iterations of the game.’
      • ‘The computer went through thousands of iterations before it produced any movement.’
      • ‘Don't be surprised if it takes several iterations to become comfortable with the CLD.’


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