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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The tools—the ability to automate data production, analyze large datasets, and gain insights faster and faster, married to the number and complexity of challenges, makes now a very rich time to be inquisitive. Tara Haelle, Scientific American, 16 June 2026 The model will require large-scale datasets that track how cells respond to drugs and genetic changes, along with validation across a wider range of tissues and diseases. Panashe Matemba-Mutasa, Mercury News, 16 June 2026 Drawing on a rare dataset collected in the hours leading up to a massive solar flare, scientists identified a series of changes in the sun's atmosphere that offer new clues about how major eruptions begin. Sharmila Kuthunur, Space.com, 15 June 2026 When dozens of banks rely on the same foundation models, trained on the same datasets, optimized with the same techniques, their decisions can become correlated in dangerous ways. Mayra Rodriguez Valladares, Forbes.com, 14 June 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 17 Jun. 2026.

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