/ ˌɪmɪˈgreɪʃn; NAmE / noun [ U ]
1.
the process of coming to live permanently in a country that is not your own; the number of people who do this :
laws restricting immigration into the US
a rise / fall in immigration
immigration officers
—compare emigration
2.
(also immiˈgration control ) the place at a port, an airport, etc. where the passports and other documents of people coming into a country are checked :
to go through immigration