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

These datasets include, among dozens of other fields, case outcome, respondent birth year, nationality and primary language, relief applied for, and if the most recent proceeding was an in absentia hearing. — Laura Tillman, Hartford Courant, 11 Sep. 2026

Pilots warn of public harms from sale If Spirit is forced to segregate a large chunk of data, the value of the dataset may substantially depreciate for Google. — Ashley Belanger, ArsTechnica, 10 Sep. 2026

Researchers can use the enormous dataset to investigate some of the most important questions in modern cosmology. — Prabhat Ranjan Mishra, Interesting Engineering, 10 Sep. 2026

The companies most likely to benefit are those with strong management teams, high levels of digital maturity, proprietary datasets, innovation capability and the agility to redesign how work gets done. — Andrea Guerzoni, Forbes.com, 10 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