Akademik

immigration
noun
1. migration into a place (especially migration to a country of which you are not a native in order to settle there) (Freq. 1)
Syn: ↑in-migration
Derivationally related forms: ↑immigrate
Hypernyms: ↑migration
Hyponyms: ↑aliyah
2. the body of immigrants arriving during a specified interval
-

the increased immigration strengthened the colony

Derivationally related forms: ↑immigrate
Hypernyms: ↑body

Useful english dictionary. 2012.