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90s Slang You Should Know


[in-kloo-zhuh n] /ɪnˈklu ʒən/
the act of including.
the state of being included.
something that is included.
Biology. a body suspended in the cytoplasm, as a granule.
Mineralogy. a solid body or a body of gas or liquid enclosed within the mass of a mineral.
Petrography. xenolith.
Logic, Mathematics. the relationship between two sets when the second is a subset of the first.
Origin of inclusion
1590-1600; 1945-50 for def 7; < Latin inclūsiōn- (stem of inclūsiō) a shutting in, equivalent to inclūs(us) (see incluse) + -iōn- -ion
Related forms
noninclusion, noun
preinclusion, noun
reinclusion, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for inclusion
Contemporary Examples
Historical Examples
  • The inclusion of children with their believing parents has been the great means of perpetuating religion in the earth.

    Bertha and Her Baptism Nehemiah Adams
  • But Bardsley's inclusion of American statistics is often misleading.

    The Romance of Names Ernest Weekley
  • In the first place, Newfoundland is included, in accordance with its inclusion under all other headings in this book.

    All Afloat William Wood
  • But I thought it better to err on the side of inclusion than on that of exclusion.

    Aino Folk-Tales Basil Hall Chamberlain
  • His inclusion in the English Men of Letters series, so soon after his death, somewhat dazzled the reviewers.

    Masques & Phases Robert Ross
British Dictionary definitions for inclusion


the act of including or the state of being included
something included
(geology) a solid fragment, liquid globule, or pocket of gas enclosed in a mineral or rock
  1. the relation between two sets that obtains when all the members of the first are members of the second XY
  2. strict inclusion, proper inclusion, the relation that obtains between two sets when the first includes the second but not vice versa XY
(engineering) a foreign particle in a metal, such as a particle of metal oxide
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 inclusion

c.1600, from Latin inclusionem (nominative inclusio) "a shutting up, confinement," noun of action from past participle stem of includere (see include).

Online Etymology Dictionary, © 2010 Douglas Harper
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inclusion in Medicine

inclusion in·clu·sion (ĭn-klōō'zhən)

  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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