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immigration - definition and synonyms


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noun [uncountable] immigration pronunciation in British English /ˌɪmɪˈɡreɪʃ(ə)n/
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  1. the process in which people enter a country in order to live there permanently
    government policy on immigration
    immigration into/to: rules governing immigration into the country
    immigration from: Immigration from the Caribbean was at its height in the 1950s.
    1. a.
      [only before noun] relating to immigration and the rules that control it
      immigration policy
      immigration officers/officials


a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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