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

Where individuals were once responsible for handling large datasets, processing clinical documents, contracts and updating recordkeeping to keep abreast of new regulations, AI can now largely take over those routine tasks and spot anomalies, making healthcare providers more compliant. —Tamsin Gable, Forbes.com, 1 May 2025

By sifting through that vast dataset, the team found 2,889 likely superflares on 2,527 sunlike stars. —Phil Plait, Scientific American, 1 May 2025

However, private data brokers that sell datasets B2B (business-to-business) require a little more digging. —Kurt Knutsson, FOXNews.com, 1 May 2025

And machine learning, which permits the processing of vast scientific datasets, could yield breakthroughs by analyzing the interplay among multiple biomarkers. —Jo A Sornborger, San Diego Union-Tribune, 29 Apr. 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