subgroup

noun

sub·​group ˈsəb-ˌgrüp How to pronounce subgroup (audio)
1
: a subordinate group whose members usually share some common differential quality
2
: a subset of a mathematical group that is itself a group

Examples of subgroup in a Sentence

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 moons, observed from 2019 to 2021 at the Canada-France-Hawaii Telescope, were placed into subgroups within two categories of Saturnian irregulars; the Inuit group contains the Kiviuq and Siarnaq subgroups, and the Norse group contains the Phoebe, Mundilfari, and Kari subgroups. Jack Knudson, Discover Magazine, 17 Mar. 2025 Moreover, the researchers divided their samples into subgroups based on whether they had been previously infected (27 of the PVS cohort group and 11 of the control group) or uninfected (15 of the PVS sample and 11 of the control group). Michael Hiltzik, Los Angeles Times, 12 Mar. 2025 Each group is then split into two subgroups for qualifying in group sessions. Daniel R. Depetris, Newsweek, 1 Feb. 2025 To test these gene-environment hypotheses, granular data on food allergy rates within Asian American subgroups is essential. Lucy Tu, NBC News, 11 Jan. 2025 See All Example Sentences for subgroup

Word History

First Known Use

1826, in the meaning defined at sense 1

Time Traveler
The first known use of subgroup was in 1826

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Cite this Entry

“Subgroup.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subgroup. Accessed 4 Apr. 2025.

Kids Definition

subgroup

noun
sub·​group ˈsəb-ˌgrüp How to pronounce subgroup (audio)
: a group whose members usually share some common quality that makes them different from the other members of a larger group to which they belong

More from Merriam-Webster on subgroup

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