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

The researchers argue that the daily dataset has diagnostic potential, serving as an early warning system for economic cycles, a humanitarian planning tool, and a means of tracking ecological consequences as illuminated nights continue to change at an accelerating pace. —Bree Shirvell, Hartford Courant, 12 May 2026

This was engineered by WayShot and trained using various image datasets. —Connie Etemadi, USA Today, 12 May 2026

In manufacturing in particular, the emphasis goes beyond generic assistants toward sector-specific models, industrial datasets, intelligent agents, and large-scale workflow integration. —Drew Cukor, Fortune, 11 May 2026

Richardson, a vulcanologist and planetary geologist, said getting those initial datasets was nothing short of phenomenal. —Josh Dinner, Space.com, 11 May 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