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

To establish a firmer explanation for the differences in mortality rates between men and women and further test treatment methods, a more detailed dataset would be needed, Vincent said. —Kameryn Griesser, CNN Money, 7 June 2025

The two think tanks rely on different datasets: CBPP uses SNAP data, while the Urban Institute uses a model based on Census Bureau information, said Dottie Rosenbaum, CBPP’s director of federal SNAP policy. —Seth Klamann, Denver Post, 2 June 2025

Whenever possible, reporters logged details about the 79 cases by hand into a dataset. —Hannah Critchfield, Sun Sentinel, 29 May 2025

How Self-Employment Shapes Health The UCLA study used data from the National Health and Nutrition Examination Survey (NHANES), a rigorous national dataset that combines in-person exams, objective health measures, and detailed questionnaires. —Caroline Castrillon, Forbes.com, 8 June 2025

Word History

First Known Use

1958, in the meaning defined above

Rhymes for dataset

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