Definition of approximation in English:

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Pronunciation: /əˌprɒksɪˈmeɪʃn/


1A value or quantity that is nearly but not exactly correct: these figures are only approximations
More example sentences
  • To compare behavioral responses among regions, we used Kruskal-Wallis tests, which use chisquare approximations.
  • Most of the work in quantum mechanics was in the Galilean (or non-relativistic) approximation.
  • Their derivations will extend to cover the present cases, given the same approximations made above.
estimate, estimation, guess, conjecture, rough calculation, rough idea, surmise;
informal guesstimate
North American informal ballpark figure
semblance, outward appearance, likeness, resemblance, similarity, correspondence, comparison
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
More example sentences
  • User's attitudes also had to be examined in order to assess whether the approximations in the animation were satisfactory.
  • 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).

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Line breaks: ap¦proxi|ma¦tion

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