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

Monolith’s platform uses machine learning models trained on extensive datasets from physical tests and simulations. —Georgina Jedikovska, Interesting Engineering, 7 Nov. 2025

This story was researched and written using a 2016 Trump campaign/Republican National Committee voter dataset obtained by Channel 4 News in Great Britain and shared with the Miami Herald. —David Smiley, Miami Herald, 7 Nov. 2025

These candidate plumes would extend for anywhere from 20,000 to 50,000 light-years beyond the extent of the main disk of the galaxy, but will require the full Rubin dataset, not just the incomplete First Look data that is accessible so far, to confirm their existence. —Big Think, 4 Nov. 2025

Federal agencies suspend new grant opportunities, place expert review panels on hold, and stop collecting and analyzing critical public datasets that tell us about the economy, the environment and public health. —Kenneth M. Evans, The Conversation, 3 Nov. 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