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

Instead of collecting massive datasets, the researchers built a mathematical model of pressing behavior. —Bojan Stojkovski, Interesting Engineering, 6 Dec. 2025

Throughout the month of November, the telescope produced nearly 40,000 datasets that are currently being processed and analyzed. —Stefanie Waldek, Space.com, 4 Dec. 2025

However, these datasets are often incomplete or have inconsistent reporting from responding agencies. —Kaitlyn M. Sims, The Conversation, 2 Dec. 2025

The vetting system is a system in which an individual's identifiers, their biographic information and biometric information, iris scans, fingerprints, facial images, are run against datasets of information about individuals with ties to terrorism and criminal history. —CBS News, 30 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