n.
Pronunciation: i- ' m ə r-zh ə n, -sh ə n
Function: noun
Date: 15th century
: the act of immersing or the state of being immersed: as a : baptism by complete submersion of the person in water b : absorbing involvement < immersion in politics> c : instruction based on extensive exposure to surroundings or conditions that are native or pertinent to the object of study especially : foreign language instruction in which only the language being taught is used <learned French through immersion >