1. a set that is part of a larger set, containing some or all elements of the original set
Usage: mathematics
2. a smaller group that is part of a larger group

Examples

• In mathematics, the set {1, 2} is a subset of {1, 2, 3, 4}.
• The survey focused on a subset of the total population.
• Only a small subset of students participated in the advanced program.
• The company analyzed a subset of customer data to identify trends.
• Every set is a subset of itself.
• The research team studied a subset of patients with similar symptoms.