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 National Institutes of Health will coordinate datasets, repositories and other resources developed through more than $500 million in previous federal investment. — Neetika Walter, Interesting Engineering, 7 Oct. 2026

Each dataset therefore stands on its own terms, and the market benchmarks serve as evidence rather than a promise for any specific address. — Kaitlyn Gomez, Miami Herald, 7 Oct. 2026

According to Anthropic, Claude states that it is trained on a proprietary mix of publicly available information from online sources, public and private datasets, user data and synthetic data generated by other models. — Allison Faix, The Conversation, 7 Oct. 2026

Or a research agent could pay a data provider a few cents for access to a proprietary dataset. — Ken Nizam, Forbes.com, 5 Oct. 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