dataset

noun

da·​ta·​set ˈdā-tə-ˌset How to pronounce dataset (audio)
ˈda-,
 also  ˈdä-
variants or less commonly data set
plural datasets also data sets
: a collection of data taken from a single source or intended for a single project
analyzed the dataset
If you're using a public dataset, make sure the data comes from a reliable source …Ben Dickson
The company is also … continuing to build its own dataset to improve its machine learning models.Alexandra S. Levine
Since AIs need a data set to learn and recognize patterns, one major worry artists have is that their artwork is being used for AI learning, raising concerns of copyright infringement.Daniel Salcedo Rubio

Examples of dataset in a Sentence

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Small, intentional datasets often outperform huge, biased ones. Expert Panel®, Forbes.com, 19 Sep. 2025 These differences mean that the same incident may or may not appear in a dataset, depending on the rules applied. Jonathan M. Gitlin, ArsTechnica, 18 Sep. 2025 Doctors struggle to access complete patient histories, researchers spend months cleaning inconsistent datasets, and hospitals face spiraling costs just to keep outdated systems running. Matthew Kayser, USA Today, 12 Sep. 2025 The data also illustrates how much borders have shifted: One of the earliest trips studied was by Czechoslovakia’s prime minister to East Germany, neither of which exist today; one of the latest was by Montenegro’s president to Azerbaijan, neither of which existed when the dataset began. Prashant Rao, semafor.com, 12 Sep. 2025 See All Example Sentences for dataset

Word History

First Known Use

1958, in the meaning defined above

Time Traveler
The first known use of dataset was in 1958

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Cite this Entry

“Dataset.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dataset. Accessed 23 Sep. 2025.

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