n.
Pronunciation: ˌ in-t ə - ' gr ā -sh ə n
Function: noun
Date: 1620
1 : the act or process or an instance of integrating: as a : incorporation as equals into society or an organization of individuals of different groups (as races) b : coordination of mental processes into a normal effective personality or with the individual's environment
2 a : the operation of finding a function whose differential is known b : the operation of solving a differential equation