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

Next up for the researchers are more sensitive sensors, bigger training datasets, additional fragrance channels, and better handling of complex mixtures. — New Atlas, 1 Nov. 2026

The most concerning results came from a dataset called Quiet Levers. — Aamir Khollam, Interesting Engineering, 31 Oct. 2026

Successful recovery means reversing specific actions or restoring specific datasets while allowing everything else to continue operating normally. — Rick Vanover, Forbes.com, 30 Oct. 2026

Opponents countered that any dataset created in that way would likely be inaccurate. — Sharon Bernstein, Sacbee.com, 29 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