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.
Following puberty, women have approximately 300,000 ovarian follicles, with a small subset of them periodically activating and entering the growing pool, a process which repeats every month until menopause. Juergen Eckhardt, Forbes, 19 Dec. 2024 The bill would allow a subset of U.S. physicians — only around 7,000, including ones already working at methadone clinics — to prescribe methadone that could be picked up at regular pharmacies. Dan Primack, Axios, 13 Dec. 2024 Fight or flight gut check The study focused on a subset of the peripheral nervous system called the sympathetic nervous system, which becomes active when the brain detects danger. Jon Hamilton, NPR, 12 Dec. 2024 On Anything crews — two subsets of the 8 Trey Movin Crips street gang. Leonard Greene, New York Daily News, 5 Dec. 2024 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

Dictionary Entries Near subset

Cite this Entry

“Subset.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subset. Accessed 22 Dec. 2024.

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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