subset

To take a subset of.

Noun

  1. 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.
    • 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...
    • 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...
  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.
    • 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...

Origin

Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- English set English subset From sub- + set.

Forms

subsets

Synonyms

subclass

Antonyms

superclass superset

Derived

immunosubset multiplicative subset multisubset proper subset subset classifier subsethood

Verb

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

Forms

subsets subsetting subsetted