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

GANs can also be used to generate new data that closely resembles the original dataset, which can be helpful for training machine learning models. —John Werner, Forbes.com, 6 Sep. 2025

Anthropic also has agreed to destroy the datasets used in its models. —Ted Johnson, Deadline, 5 Sep. 2025

While alarming, this trend is consistent with earlier analyses of national datasets. —Chicago Tribune, 3 Sep. 2025

Soon, Geoffrey Hinton and his graduate students began demonstrating that neural networks, trained on large datasets and run on GPUs, could do things—like classify images into a thousand different categories—that would have been impossible in the late 1980s. —Jeremy Kahn, Fortune, 3 Sep. 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