n.
Pronunciation: in- ' klü-zh ə n
Function: noun
Etymology: Latin inclusion-, inclusio, from includere
Date: 1600
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- ' klü-zh ə -ner- ē \ adjective