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

The second part, the Adaptive Recursive Gaussian Network (ARGN), improves learning from small datasets by storing and updating spatial memory. —Jijo Malayil, Interesting Engineering, 28 Nov. 2025

Using data from 61,290 MRI exams in the UK Biobank—a dataset of biological, health and lifestyle information—the research team explored how MRI analysis can characterize the muscle’s structural features and composition. —Hannah Millington, MSNBC Newsweek, 25 Nov. 2025

National security, scientific discovery and energy innovation are all highlighted as top priorities in the order, which states that federal scientific datasets such as those managed by NASA, the National Institutes of Health and other government science agencies will be critical to this work. —Deni Ellis Béchard, Scientific American, 25 Nov. 2025

According to the order, the platform will focus on providing researchers with the computing power and datasets necessary to train AI models. —Jared Perlo, NBC news, 24 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