immigration noun

1 coming to live in a country

ADJ. illegal | large-scale, mass

VERB + IMMIGRATION control, restrict laws restricting immigration into the US

IMMIGRATION + NOUN control, law, policy, rules | authority, officer, official, service

PREP. ~ from There was a sudden increase in immigration from Eastern Europe.

2 (also immigration control) at a port/airport

VERB + IMMIGRATION go/pass through We landed at Heathrow and went through customs and immigration.

IMMIGRATION + NOUN checks, formalities, procedures calls for tighter immigration procedures