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 events are extremely rare, requiring massive datasets and highly refined detection techniques. —Rupendra Brahambhatt, Interesting Engineering, 28 Mar. 2026

However, scientists caution that the dataset remains limited. —Jamie Carter, Space.com, 27 Mar. 2026

This is a truly massive dataset, corresponding to more than 120 million workers across the 18 industries studied. —Nick Lichtenberg, Fortune, 26 Mar. 2026

The vast majority of women in the dataset (98%) had received traditional therapies, including surgery, chemotherapy, endocrine therapy, or radiation. —Stacy Kish, Hartford Courant, 25 Mar. 2026

Word History

First Known Use

1958, in the meaning defined above

Rhymes for dataset

• alphabet
• arpanet
• bayonet
• biuret
• cigarette
• clarinet
• coronet
• coverlet
• epithet
• ethernet
• heavyset
• internet