subset

noun
UK /ˈsʌb.sɛt/
US /ˈsʌb.sɛt/

A subset is a small group that is part of a bigger group.

The red marbles are a subset of all the marbles in the jar.


OTHER MEANINGS

2. In mathematics, a set in which every element is also an element of a larger set.

The even numbers are a subset of the whole numbers.

3. A smaller category of products or services within a broader market.

Electric cars are a growing subset of the vehicle market.

4. A group of people within a larger group who share a special feature.

Fans of jazz are a small subset of the concert audience.