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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Empirical research over the past few years has produced benchmark datasets that correlate model outputs with party positions before and during elections. Adrian Kuenzler, The Conversation, 19 Dec. 2025 The study’s dataset covers a wide geographic range, including humpback, sperm, and fin whale populations across northern Norway, Iceland, and the Cape Verde Islands. Mrigakshi Dixit, Interesting Engineering, 18 Dec. 2025 In individual experiments, results were inconsistent, but when the researchers combined the three datasets, a clear pattern emerged. New Atlas, 18 Dec. 2025 In addition to conducting climate research, NCAR also provides the tools, platforms, models and datasets used to study and forecast weather and understand its impacts on communities. Daniel Peck, ABC News, 17 Dec. 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

Browse Nearby Words

Cite this Entry

“Dataset.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dataset. Accessed 24 Dec. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!