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

These datasets can help guide decisions about where to explore for these minerals, how to mitigate the environmental impacts of mining, and how to assess Earth's evolving surface in a changing climate. —Kenna Hughes-Castleberry, Space.com, 3 Oct. 2025

While traditional methods are based on physical equations, AI models learn patterns from large datasets, which can help quantify uncertainty, assist in identifying extreme events, and allow models to improve over time. —Beatrice Nolan, Fortune, 3 Oct. 2025

After extensively reviewing these and other statistics across two publicly available datasets, researchers have identified some key observations in a study published in the journal Safety. —Andrew Paul, Popular Science, 2 Oct. 2025

What the numbers show From 2000 to 2024, the dataset records 379 incidents and 487 deaths at religious congregations and religious community centers. —James Densley, The Conversation, 1 Oct. 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