Definition of approximation in English:

approximation

noun

  • 1A value or quantity that is nearly but not exactly correct.

    ‘these figures are only approximations’
    • ‘As a first approximation of winter range, I plotted museum specimen records by month on maps of the Western Hemisphere.’
    • ‘Using a continuous-time approximation, the transition probability from the wild-type allele to the best available allele is’
    • ‘The data flow for each approximation mode is also shown.’
    • ‘To compare behavioral responses among regions, we used Kruskal-Wallis tests, which use chisquare approximations.’
    • ‘Their derivations will extend to cover the present cases, given the same approximations made above.’
    • ‘The approximations provide conservative control of the genome-wise type I error rate.’
    • ‘The potential of mean force can also be derived from Eq. 18 based on the harmonic approximation.’
    • ‘The main question is how close this approximation is to the actual quasistationary distribution.’
    • ‘What he is talking about is not an approximation to the Golden Mean.’
    • ‘We can make this reasoning more precise with the Markov chain approximation.’
    • ‘The dense-map approximations are too conservative and thus result in power loss, while the sparse-map approximations tend to be too liberal.’
    • ‘First, the asymptotic results provide a very reasonable approximation for the velocity even for a much lower level of cooperativity.’
    • ‘Another weakness was that the assumed values for portion sizes, distributions of fish species in meals, and food contents of nutrients are only approximations to the true values.’
    • ‘Therefore, as a first approximation, we considered all ionizable residues in their neutral forms.’
    • ‘Most of the work in quantum mechanics was in the Galilean (or non-relativistic) approximation.’
    • ‘The translog form provides a second-order approximation of the true cost function at a point.’
    • ‘The approximations are not bad (giving errors of around 20 %), but this situation is hardly satisfactory.’
    • ‘Simulations show that these approximations perform reasonably well over a surprisingly broad set of parameters.’
    • ‘In the Appendix, we use small v approximations to derive simple analytic approximations for the quantitative results from the models.’
    • ‘Here's a nice little political survey which gives you an approximation of where you are on the political spectrum.’
    estimate, estimation, guess, conjecture, rough calculation, rough idea, surmise
    semblance, outward appearance, likeness, resemblance, similarity, correspondence, comparison
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    1. 1.1 A thing that is similar to something else, but is not exactly the same.
      ‘the band smashed up their equipment in an approximation of rock star behaviour’
      • ‘Previously published methods for deriving Q have used eigen-decomposition of an approximation to P (t).’
      • ‘The current difficulties of the Ukrainian government in achieving approximation of the Law of Ukraine with the Law of the European Union.’
      • ‘This approximation was justified by the argument that the relative lengths of any two segments are only very weakly correlated.’
      • ‘The story, which is performed in an approximation of a Beijing Opera style, is simple.’
      • ‘Most pocket cameras have a separate viewfinder: what you see is an approximation of what the lens is seeing.’
      • ‘For participants in the glue group, similar approximation was achieved with single circumferential application of tissue glue.’
      • ‘I could find the words that would get my message through with some approximation of what I actually mean.’
      • ‘For him, translation requires an act of engagement that goes much deeper than a word-for-word approximation.’
      • ‘Once Fido performs even a close approximation of the trick a reward follows.’
      • ‘Rhuddlan was the closest approximation to a town in pre-Norman Wales during its brief periods under Welsh rule.’
      • ‘Some are based on European approximations of local African place names - often such bastardised versions of the originals that they are barely recognisable.’
      • ‘Computer researcher Laurent Mathy from Lancaster University points out that " simulations only give you an approximation of reality.’
      • ‘At the time Corps engineers called their approximation a standard project hurricane (SPH), equivalent to what today would be called a fast-moving category 3 storm.’
      • ‘Thus, the classic Kok model is just convenient first-order approximation to the real case.’
      • ‘User's attitudes also had to be examined in order to assess whether the approximations in the animation were satisfactory.’
      • ‘Due to the nature of the language, some of these translations are approximations.’
      • ‘Without a fully linear structure to the economy, at best an inflation index is an approximation.’
      • ‘The Montessori environment, though wonderful in many ways, often is just an approximation of what we already have in our homes.’
      • ‘Matheson's method does give a very close approximation to the situation in 1890.’
      • ‘Consisting of basic shapes and pieces lifted from existing ships, it's a very loose approximation of what the final ship mesh will look like.’
      semblance, outward appearance, likeness, resemblance, similarity, correspondence, comparison
      View synonyms

Pronunciation

approximation

/əˌprɒksɪˈmeɪʃn/