Try Our Apps


90s Slang You Should Know


[suhb-set] /ˈsʌbˌsɛt/
a set that is a part of a larger set.
Mathematics. a set consisting of elements of a given set that can be the same as the given set or smaller.
Origin of subset
First recorded in 1900-05; sub- + set Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for subset
Contemporary Examples
Historical Examples
  • A subset of the Sun Tzu example is the view that war is deception.

    Shock and Awe Harlan K. Ullman
British Dictionary definitions for subset


  1. a set the members of which are all members of some given class: A is a subset of B is usually written A⊆B
  2. proper subset, one that is strictly contained within a larger class and excludes some of its members A⊂B
a set within a larger set
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for subset

"subordinate set," 1902, from sub- + set (n.1).

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
subset in Science
A set whose members are all contained in another set. The set of positive integers, for example, is a subset of the set of integers.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for subset

Some English speakers likely know this word

Word Value for subset

Scrabble Words With Friends

Nearby words for subset