dataset

noun

da·​ta·​set ˈdā-tə-ˌset 

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

The company is also releasing a new evaluation dataset so other platforms can test their own safety systems. — Kurt Knutsson, FOXNews.com, 21 Aug. 2026

Brooks says advances in engineering, hardware, and access to massive datasets – combined with the incredible amount of money in tech, meant AI innovation could take off. — Max Darrow, CBS News, 20 Aug. 2026

Supply chain decisions often involve context that is not captured in a dataset. — Arthur Zaczkiewicz, Footwear News, 20 Aug. 2026

Related Articles The researchers trained 24 ensembles on datasets ranging from 256 images to more than 160,000, taken from public collections. — Brian Boucher, ARTnews.com, 19 Aug. 2026

Word History

First Known Use

1958, in the meaning defined above

Rhymes for dataset

• alphabet
• arpanet
• bassinet
• bayonet
• biuret
• cigarette
• clarinet
• coronet
• coverlet
• epithet
• ethernet
• heavyset