mig
ra
tion
Plural
migrations
1
(in fish or birds) the act of moving to other regions with different climates according to each season
2
the act of moving to another place or country
- The migration of geese southward signals the start of winter.
- Urban migration has led to overcrowded cities and fewer rural workers.
- Climate change is forcing the migration of species to cooler habitats.
- During the Gold Rush, mass migration to California transformed the region.
- Historians study the migration patterns of early humans across continents.
3
(chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule
4
a group of people migrating together (especially in some given time period)