subset

noun

sub·​set ˈsəb-ˌset How to pronounce subset (audio)
1
: a set each of whose elements is an element of an inclusive set
2
: division, portion
a subset of our community

Examples of subset in a Sentence

The set {1,2,3} is a subset of the set {1,2,3,4,5}. Only a small subset of the patients in the study experienced these side effects.
Recent Examples on the Web
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.
The injunction there was just against that small subset. Tax Notes Staff, Forbes, 18 Mar. 2025 State of play: Hospitals increasingly use tools that harness machine learning, a subset of AI that focuses on systems that continuously learn and adjust as they're given new data. Maya Goldman, Axios, 12 Mar. 2025 Those 50 paid voting members are subset of the Globes voting body, which is currently comprised of 300 members representing 85 countries. Erik Hayden, The Hollywood Reporter, 28 Feb. 2025 Further afield for growers, there’s potential to use Machine Learning—one of four subsets of AI—to assist with grape yields, harvest projections and other viticultural activities. Lana Bortolot, Forbes, 27 Feb. 2025 See All Example Sentences for subset

Word History

First Known Use

1881, in the meaning defined at sense 1

Time Traveler
The first known use of subset was in 1881

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Cite this Entry

“Subset.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subset. Accessed 22 Mar. 2025.

Kids Definition

subset

noun
sub·​set ˈsəb-ˌset How to pronounce subset (audio)
: a mathematical set that is a part of another mathematical set
the set of even numbers is a subset of the set of all numbers

More from Merriam-Webster on subset

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