subset

CEFRB1

/ˈsʌbˌsɛt/

noun · verb

Türkçe translations

Translating…

In plain English

01
noun
A smaller group that is part of a larger group.
02
noun
Extra detail
A group of things or people, all of which are in a specified larger group.

Examples

In American English, stoats are a subset of weasels, while in British English, they aren't.
Mathematics is just a subset of type theory.

At a glance

Sits at B1 on the CEFR scale

Deep Dive

Extra meanings

Extra meaning

To extract only the portions of (a font) that are needed to display a particular document.

In context

The set of integers is a subset of the set of real numbers.
The set #92;lbracea,b#92;rbrace is a both a subset and a proper subset of #92;lbracea,b,c#92;rbrace while the set #92;lbracea,b,c#92;rbrace is a subset of #92;lbracea,b,c#92;rbrace but not a proper subset of #92;lbracea,b,c#92;rbrace.
1963, David B. MacNeil, Modern Mathematics for the Practical Man, David Van Nostrand, Republished as 2013, David B. MacNeil, Fundamentals of Modern Mathematics: A Practical Review, Dover, page 3, In the foregoing example, the set D of the first four letters o...

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Let A be a subset of the topological space X and take x#92;inX.
1997, Wolfgang Filter, K. Weber, Integration Theory, Chapman & Hall, page 5
We say that a set S has a finite partition into subsets S#95;1,#92;dots,S#95;n, if S#61;S#95;i#92;cup#92;dots#92;cupS#95;n, where the subsets are pairwise disjoint, that is, S#95;i#92;capS#95;j#61;#92;empty, if i#92;nej. (We do not require that the subsets be nonempty.)
2007, Judith D. Sally; Paul J. Sally, Jr., Roots to Research: A Vertical Development of Mathematical Problems, American Mathematical Society, page 280
Interestingly, this [the core lexicon] is not all of the words of the language: It turns out that most of the words in a language from an industrialized culture come from narrow semantic domains, such that only a subset of speakers know them.
2025, Edward A. F. Gibson, “Introduction” (chapter 1), in Syntax: A Cognitive Approach, MIT Press, →DOI, →ISBN, page 2

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From sub- + set.