Definition of approximation in English:

approximation

noun

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

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

Pronunciation:

approximation

/əˌprɒksɪˈmeɪʃn/