subgroup has definitions from the field of mathematics
1
[ noun ] a distinct and often subordinate group within a group

Used in print

(Jesse W. Grimes and Wesley Allinsmith, "Compuls...)

Figure 1 portrays the mean achievement scores of each sub-group graphically .

Related terms

group bench

2
[ noun ] (mathematics) a subset (that is not empty) of a mathematical group

Related terms

group mathematics

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