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

Capturing such behavior in AI models requires data in much greater detail than current global datasets can typically provide. — Chanh Kieu, Washington Post, 2 Oct. 2026

The dataset behind the model comes from Neuralink’s clinical trial participants, who have collectively used their implants for more than 50,000 hours. — Neetika Walter, Interesting Engineering, 2 Oct. 2026

Optical inter-satellite terminals enable satellite constellations to establish zero-trust, closed-loop mesh networks in orbit, transmitting massive sensor datasets at optical speeds without relying on jammable RF cross-links. — Rohit Jha, Forbes.com, 1 Oct. 2026

News of Desai’s departure from MongoDB, which specializes in storing, managing, and processing massive datasets, was devastating. — Zev Fima, CNBC, 28 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