in·clu·sion

[in-kloo-zhuhn]
noun
1.
the act of including.
2.
the state of being included.
3.
something that is included.
4.
Biology. a body suspended in the cytoplasm, as a granule.
5.
Mineralogy. a solid body or a body of gas or liquid enclosed within the mass of a mineral.
6.
Petrography, xenolith.
7.
Logic, Mathematics. the relationship between two sets when the second is a subset of the first.

Origin:
1590–1600; 1945–50 for def 7; < Latin inclūsiōn- (stem of inclūsiō) a shutting in, equivalent to inclūs(us) (see incluse) + -iōn- -ion

non·in·clu·sion, noun
pre·in·clu·sion, noun
re·in·clu·sion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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00:10
Inclusion is always a great word to know.
So is generation. Does it mean:
one complete life cycle; one of the alternate phases that complete a life cycle having more than one phase
a taxonomic group of organisms classified together on the basis of homologous features traced to a common ancestor
Collins
World English Dictionary
inclusion (ɪnˈkluːʒən) [Click for IPA pronunciation guide]
 
n
1.  the act of including or the state of being included
2.  something included
3.  geology a solid fragment, liquid globule, or pocket of gas enclosed in a mineral or rock
4.  maths
 a.  XY the relation between two sets that obtains when all the members of the first are members of the second
 b.  strict inclusion, proper inclusion XY the relation that obtains between two sets when the first includes the second but not vice versa
5.  engineering a foreign particle in a metal, such as a particle of metal oxide

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

inclusion in·clu·sion (ĭn-kl&oomacr;'zhən)
n.

  1. A nonliving mass, such as a droplet of fat, in the cytoplasm of a cell.

  2. The process by which a foreign or heterogenous structure is misplaced in another tissue.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
The résumé looks much better with the addition of bullet points and the inclusion of relevant employment experience.
Brands would even be considered for inclusion in a program meant for supplemental nutrition.
But its inclusion, and its receiving an official name, will have to wait until other researchers reproduce the results.
Nothing exemplifies this decision more than the inclusion of hypertext fiction.
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