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subset

[suhb-set] /ˈsʌbˌsɛt/
noun
1.
a set that is a part of a larger set.
2.
Mathematics. a set consisting of elements of a given set that can be the same as the given set or smaller.
Origin
1900-1905
1900-05; sub- + set
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for subset
  • Each time a subset migrated onward, genetic diversity narrowed.
  • Living four-legged creatures rest and sleep in various postures, but only birds and a subset of mammals rest on folded limbs.
  • Within each of these broad questions is a subset of secondary questions waiting to be explored.
  • As it happens, only a subset of prisoners currently locked away for long periods of isolation would be considered truly dangerous.
  • It's a broad appeal to a range of xenophobic fears of which race per se is a mere subset.
  • Even within that subset there weren't a lot that explained how and why you might want to use some of these things.
  • Even within that subset, there weren't a lot that explained how and why you might want to use some of these things.
  • In fact, economic behavior is only a subset of human behavior.
  • The odds were against our even detecting the plagiarism, since each committee member read an alphabetical subset of applications.
  • However, laying that groundwork will take more than text mining, and certainly more than the subset of textual materials on offer.
British Dictionary definitions for subset

subset

/ˈsʌbˌsɛt/
noun
1.
(maths)
  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
2.
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
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Word Origin and History for subset
n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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subset in Science
subset
  (sŭb'sět')   
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.
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