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

Most modern vision-language models have been developed primarily using large datasets of visible-light images. — Prabhat Ranjan Mishra, Interesting Engineering, 20 Sep. 2026

Compiled using historical sources, excavation reports, satellite imagery and previous datasets, Itiner-e contains 186,000 miles (nearly 300,000 kilometers) of roads. — Jacopo Prisco, CNN Money, 18 Sep. 2026

Generative AI models learn from enormous datasets containing books, photographs, websites, software, music, artwork and other material, some of which may be copyrighted. — Morey Haber, Forbes.com, 16 Sep. 2026

At the same time, her project explored AI as a potential coordination technology for building ethically sourced vocal datasets for sharing creative works, and those ideas were then discussed by the British government and the EU. — Amy O’Brien, Vogue, 15 Sep. 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