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
Ben DicksonThe company is also … continuing to build its own dataset to improve its machine learning models.—Alexandra S. Levine
Alexandra S. LevineSince 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
Daniel Salcedo RubioExamples of dataset in a Sentence
Recent Examples on the Web
Balancing datasets by collecting more representative images across age, gender and ethnicity, and frequently updating databases, can improve accuracy and produce fairer results.
—Vijayan Asari, The Conversation, 2 June 2026
The team hopes to expand the model to additional cancer types and data sources, including international cancer genome datasets and other forms of clinical information, including imaging and electronic health records.
—Noah Lyons, San Diego Union-Tribune, 2 June 2026
The result is a daily-updating dataset that tracks minimum and maximum temperatures and average humidity at the facility level.
—Jasmin Malik Chua, Footwear News, 2 June 2026
These include a high-performance actuator joint, a human-like robotic hand, and a dedicated AI training dataset designed to help robots learn and perform more effectively in real-world environments.
—Jijo Malayil, Interesting Engineering, 2 June 2026
See All Example Sentences for dataset
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Vijayan Asari, The Conversation, 2 June 2026
The team hopes to expand the model to additional cancer types and data sources, including international cancer genome datasets and other forms of clinical information, including imaging and electronic health records.
—Noah Lyons, San Diego Union-Tribune, 2 June 2026
The result is a daily-updating dataset that tracks minimum and maximum temperatures and average humidity at the facility level.
—Jasmin Malik Chua, Footwear News, 2 June 2026
These include a high-performance actuator joint, a human-like robotic hand, and a dedicated AI training dataset designed to help robots learn and perform more effectively in real-world environments.
—Jijo Malayil, Interesting Engineering, 2 June 2026
See All Example Sentences for dataset
Cite this Entry
“Dataset.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dataset. Accessed 5 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
