Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
in-migration is a noun meaning "migration into a place (especially migration to a country of which you are not a native in order to settle there)". It carries one recorded sense.
migration into a place (especially migration to a country of which you are not a native in order to settle there)
Definitions, synonyms and semantic relations for in-migration come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.