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

Compiling non-similar datasets leaves room for error, Romig said, and citizenship data is often out of date. — Nathan Lee, ABC News, 24 July 2026

After 60 years, the resulting dataset, which covers tens of millions of American workers and has allowed researchers and regulators to examine workplace representation over decades, may now be coming to an end. — Doug Melville, Forbes.com, 23 July 2026

Hugging Face said the breach exposed a limited set of internal datasets and several credentials. — Ethan Baron, Mercury News, 23 July 2026

Developers first train new models on large datasets, then deploy the models for use by other people. — Jeffrey Young, The Conversation, 23 July 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