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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One major advantage of developing artificial intelligence in China lies in the availability of large, high-quality datasets, particularly coming from hospitals that are often willing to share medical information for research purposes. Bojan Stojkovski, Interesting Engineering, 11 Oct. 2025 His group is also using a new tongue dataset of 750 Internet images to examine tongue shape and oral conditions such as ulcers and cracks with the deep-learning algorithm YOLO. Eve Lu, Scientific American, 8 Oct. 2025 To confirm the match, the team carefully aligned the Hubble and JWST images using 36 stars visible in both datasets as reference points, ensuring that every pixel corresponded to the same spot in the sky, the study noted. Sharmila Kuthunur, Space.com, 8 Oct. 2025 Chatbots are trained on vast datasets to predict the most likely response to a query but sometimes encounter gaps in their knowledge. Angela Yang, NBC news, 8 Oct. 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 17 Oct. 2025.

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