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

Li is famous for creating ImageNet, a vastly large dataset of images which provided the training data for large neural networks, which led to several major developments in AI. — Katie McQue, NPR, 26 Sep. 2026

That could enable hospitals to collaborate on better models without pooling sensitive patient records and financial institutions to identify patterns across private datasets. — Dr. Najwa Aaraj, Forbes.com, 24 Sep. 2026

Human scientists perform all laboratory experiments, while Claude is used to search genomic datasets, generate hypotheses, analyze candidates, and help interpret experimental results. — Neetika Walter, Interesting Engineering, 23 Sep. 2026

Over 21 hours, Anthropic said nearly 950 Claude agents worked through 210 million tokens before one spotted an unusual repeating pattern in the dataset and flagged for human review. — Robert Hart, The Verge, 23 Sep. 2026

Word History

First Known Use

1958, in the meaning defined above

Rhymes for dataset

• alphabet
• arpanet
• bassinet
• bayonet
• biuret
• cigarette
• clarinet
• coronet
• coverlet
• epithet
• ethernet
• heavyset