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.
Temporary and contract workers are the only subset of U.S. workers who can work remotely. Sanjeev Menon, Forbes.com, 14 July 2025 These RNAs are a distinct subset of a larger family known as B2-SINEs, which are repetitive, non-coding elements in the genome. New Atlas, 13 July 2025 But because there is some subset of some unknown size that is really, really mad online about it, that then becomes the dominant narrative about the movie. Alan Sepinwall, Rolling Stone, 12 July 2025 Hanif’s campaign ignored all the nuance and instead offered an emotional mirror to a subset of the electorate who prefers performance over pragmatism. Sara Forman, New York Daily News, 8 July 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 21 Jul. 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

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