subgroup

== English == === Etymology === From sub- +‎ group. === Pronunciation === IPA(key): /ˈsʌbˌɡɹuːp/ === Noun === subgroup (plural subgroups) 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, […] . (group theory) A subset H of a group G that is itself a group and has the same binary operation as G. ==== Synonyms ==== (group within a group): subset ==== Derived terms ==== ==== Translations ==== === Verb === subgroup (third-person singular simple present subgroups, present participle subgrouping, simple past and past participle subgrouped) To divide or classify into subgroups