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 are provided at no additional cost and are intended to reduce the time needed to adapt the robot to new tasks. —Jijo Malayil, Interesting Engineering, 12 Jan. 2026

According to Climate Central, as the new steward of this critical resource, Climate Central is committed to maintaining the scientific rigor and methodological standards established by NOAA while enhancing the dataset's utility for climate communication and public understanding of climate risks. —Doyle Rice, USA Today, 10 Jan. 2026

According to my dataset of more than 800 scandals involving presidents, governors and members of Congress, politicians in recent decades have survived scandals for longer periods of time and ultimately faced fewer consequences. —Brandon Rottinghaus, Washington Post, 7 Jan. 2026

Now consider models trained on different datasets. —Ben Brubaker, Quanta Magazine, 7 Jan. 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