Longman Dictionary English Word family noun immigration ≠ emigration immigrant ≠ emigrant verb immigrate ≠ emigrate From Longman Business Dictionaryemigrationem‧i‧gra‧tion /ˌemɪˈgreɪʃən/ noun [uncountable] the process of leaving your own country and going to live in another one → compare immigration → net emigration ldoceonline.com