inclusion


in·clu·sion

noun \in-ˈklü-zhən\

Definition of INCLUSION

1
:  the act of including :  the state of being included
2
:  something that is included: as
a :  a gaseous, liquid, or solid foreign body enclosed in a mass (as of a mineral)
b :  a passive usually temporary product of cell activity (as a starch grain) within the cytoplasm or nucleus
3
:  a relation between two classes that exists when all members of the first are also members of the second — compare membership 3
4
:  the act or practice of including students with disabilities in regular school classes
in·clu·sion·ary \in-ˈklü-zhə-ner-ē\ adjective

Origin of INCLUSION

Latin inclusion-, inclusio, from includere
First Known Use: 1600

Other Mineralogy Terms

agate, host, matrix, streak

in·clu·sion

noun \in-ˈklü-zhən\   (Medical Dictionary)

Medical Definition of INCLUSION

: something that is included; especially : a passive usually temporary product of cell activity (as a starch grain) within the cytoplasm or nucleus

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