MIGRASIYa (lot. migratio, az micro — mekucham, joyivaz mekunam), 1. az yak jo ba joi digar kuchidani aholi; muhojirati aholi (nig. Migrasiyai aholi). 2) Ba sababi tagyir yoftani sharoiti zindagi yo bo maqsadi guzaronidani davrai afzoish az yak jo ba joi digar kuchidani hayvonot va parrandaho (nig. Kuchi hayvonot). 3) joyivazkuniyu aznavtaqsimshavii elementhoi khimiyavi dar qishr yo rui Zamin. 4) Baroi ba dast ovardani foida va bo maqsadhoi siyosy az yak mamlakat ba mamlakati digar barovardani kapital.