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

Recent Examples on the Web
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That matters as X-ray measurements generate increasingly complex datasets that require sophisticated analysis. Aamir Khollam, Interesting Engineering, 28 Aug. 2026 The agents set about trying to make accounts and request access to private datasets. Dan Goodin, ArsTechnica, 27 Aug. 2026 ProPublica verified the veracity of the unredacted database by comparing its booking records to those in Pinellas’ online search tool and by validating the booking dates and timestamps against the federal immigration datasets. Mario Ariza, ProPublica, 27 Aug. 2026 Considered together, those datasets present a more nuanced picture than the conventional framing suggests. Nia Bowers, IndyStar, 27 Aug. 2026 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 1 Sep. 2026.

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