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

In these enormous datasets is everything from benign information of little interest to anyone but its owner to the most sensitive and private details that should never be exposed to third parties. — Carl D'halluin, Forbes.com, 23 June 2026

The scientists analyzed a global dataset of human heat stress from 1950 to 2024 to determine that the hottest days of the year looked like in decades past, especially in the 1970s, when the global feels-like trends started to rise, Emerton said. — Julia Jacobo, ABC News, 22 June 2026

Using this dataset, the researchers trained multiple advanced computer-vision models. — Rupendra Brahambhatt, Interesting Engineering, 21 June 2026

Musk’s Tesla posted the highest ratio in the dataset at 2,522,203-to-1, based on a median Tesla worker salary of $62,786. — Catherina Gioino, Fortune, 20 June 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