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Definition of "approximation" []

  • The act, process, or result of approximating. (noun)
  • Mathematics An inexact result adequate for a given purpose. (noun)
  • The process or result of making a rough calculation, estimate, or guess (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • An imprecise or unreliable record or version (noun)
  • An inexact number, relationship, or theory that is sufficiently accurate for a specific purpose (noun)
  • An estimate of the value of some quantity to a desired degree of accuracy (noun)
  • An expression in simpler terms than a given expression which approximates to it (noun)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "approximation" in a sentence
  • "So, a reasonable approximation is that oil prices should be expected to go up at the interest rate."
  • "In early 20th century, with advances in approximation theory, spline functions were beginning to emerge."
  • "Provided the approximation is done with enough significant digits, the numerator of the Bernoulli number is a mere integer part of the product."