inclusion

[in-kloo-zhuhn]

noun

1. the act of including.

2. the state of being included.

3. something that is included.

4. the practice or policy of including and integrating all people and groups in activities, organizations, political processes, etc., especially those who are disadvantaged, have suffered discrimination, or are living with disabilities: Our company is committed to addressing issues of diversity and inclusion in the workplace.

   Political and civic inclusion is vital to a sustainable democracy.

   Our company is committed to addressing issues of diversity and inclusion in the workplace.

5. the educational policy of placing students with physical or mental disabilities in regular classrooms and providing them with certain accommodations.

6. Biology.,  a body suspended in the cytoplasm, as a granule.

7. Mineralogy.,  a solid body or a body of gas or liquid enclosed within the mass of a mineral.

8. Petrography.,  xenolith.

9. Logic, Mathematics.,  the relationship between two sets when the second is a subset of the first.

inclusion

/ ɪnˈkluːʒən /

noun

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

   1. X⊆Y. the relation between two sets that obtains when all the members of the first are members of the second

   2. X⊂Y. 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

Other Word Forms

• noninclusion noun
• preinclusion noun
• reinclusion noun

Word History and Origins

Origin of inclusion¹

First recorded in 1590–1600; inclusion def. 9 was first recorded in 1945–50; from Latin inclūsiōn- (stem of inclūsiō ) “a shutting in,” equivalent to inclūs(us) ( incluse ) + -iōn- noun suffix ( -ion )

Related Words

• admittance 
• formation 
• incorporation 
• involvement