English Dictionary

subset

/ˈsʌbˌsɛt/

noun

(set theory, of a set S) A set A such that every element of A is also an element of S. / A group of things or people, all of which are in a specified larger group.

The subset of A is denoted by A ⊆ B.

意味（1）

(set theory, of a set S) A set A such that every element of A is also an element of S.

The set of integers is a subset of the set of real numbers.

意味（2）

A group of things or people, all of which are in a specified larger group.

We asked a subset of the population of the town for their opinion.