approximation

noun

ap·​prox·​i·​ma·​tion ə-ˌpräk-sə-ˈmā-shən How to pronounce approximation (audio)
1
: the act or process of drawing together
2
: the quality or state of being close or near
an approximation to the truth
an approximation of justice
3
: something that is approximate
especially : a mathematical quantity that is close in value to but not the same as a desired quantity
approximative adjective

Examples of approximation in a Sentence

This isn't an exact figure but I think it's a good approximation of what the land is worth. The color of the paint isn't the exact same color as the vase, but it's a close approximation.
Recent Examples on the Web This is an instrumental approximation of white noise, long before the term had been coined. Alex Ross, The New Yorker, 15 Apr. 2024 Still, the Columbia Daily Tribune, partnered with a pool of reporters to garner an approximation of his time, put him at about 4.4 seconds in the 40, which would be a 0.11-second uptick. Calum McAndrew, Kansas City Star, 23 Mar. 2024 That is, Filipino workers would manually execute algorithmic tasks that were under consideration for automation, providing a rough approximation of a project’s potential before developers invested time and resources in coding the software. IEEE Spectrum, 13 Mar. 2024 Deliveries are the closest approximation of sales reported by Tesla but are not precisely defined in the company’s shareholder communications. Lora Kolodny, NBC News, 2 Apr. 2024 But the best is Pi Day, held on March 14 because the infinitely long decimal approximation of pi begins with 3.14. Rhett Allain, WIRED, 14 Mar. 2024 Thus, the real challenge for marketers is discerning the truth in a sea of approximations. Anton Lipkanou, Forbes, 23 Feb. 2024 There was the discovery of the Fibonacci sequence, encoded in the set — as well as an approximation of π. Quanta Magazine, 26 Jan. 2024 Historically, the Academy has been more impressed by the approximation of a thing than the thing itself. Maureen Lee Lenker, EW.com, 23 Jan. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'approximation.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of approximation was in the 15th century

Dictionary Entries Near approximation

Cite this Entry

“Approximation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/approximation. Accessed 25 Apr. 2024.

Kids Definition

approximation

noun
ap·​prox·​i·​ma·​tion ə-ˌpräk-sə-ˈmā-shən How to pronounce approximation (audio)
1
: a coming near or close (as in value)
2
: something approximate
especially : an estimate or figure that is almost exact
Last Updated: - Updated example sentences
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