subgroup
Etymology

From sub- + group.

Noun

subgroup (plural subgroups)

  1. A group within a larger group; a group whose members are some, but not all, of the members of a larger group.
    • 1998, Robert A. Johnson, Prevalence of Substance Use Among Racial and Ethnic Subgroups in the United States, 1991-1993, Department of Health and Human Services, page B-11 ↗,
      Based on U.S. Bureau of the Census (1992c), other metropolitan areas that might be suitable for oversampling specific racial/ethnic subgroups include Miami (18% Cuban), New York City (7% Puerto Rican), Los Angeles (26% Mexican), and Honolulu (23% Japanese). Three techniques might be used to increase the yield of rare subgroup members within metropolitan areas where they are concentrated: 1) oversampling of areal segments containing high percentages of the subgroup, […] .
  2. (group theory) A subset H of a group G that is itself a group and has the same binary operation as G.
Synonyms Translations Translations Verb

subgroup (subgroups, present participle subgrouping; simple past and past participle subgrouped)

  1. To divide or classify into subgroups



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