Noun: subgroup 'súb,groop
- A distinct and often subordinate group within a group
"The task force formed several subgroups to focus on specific aspects of the project"
- (mathematics) a subset (that is not empty) of a mathematical group
"The even integers form a subgroup of the group of all integers under addition"
Derived forms: subgroups
Type of: group, grouping, mathematical group
Encyclopedia: Subgroup