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.
Critical minerals refer to a subset of materials considered essential to the energy transition. Sam Meredith, CNBC, 17 Jan. 2025 Those subsets include Kat Luna, a singer with Cuban-American roots; and two multi-racial duos: Neon Union and 2 Lane Summer. Tom Roland, Billboard, 16 Jan. 2025 One group causes a general toxicity to cells, enabled by disruption of the cell membrane, while a different subset has the ability to block the receptor for a neurotransmitter. Ars Technica, 15 Jan. 2025 None of this is news to the people who hold down the fort at the once-insanely-lucrative regional sports networks, a subset of the programming ecosystem that arguably has been clobbered with more frequency and vigor than any other element. Anthony Crupi, Sportico.com, 10 Jan. 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

Dictionary Entries Near subset

Cite this Entry

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