移行は英語で
migration

英語の定義

migration
1. 名詞. 移住、移転、鳥のわたり

migration
1. n. An instance of moving to live in another place for a while.
2. n. Seasonal moving for animals, as birds or fishes, to breed or find a new home.
3. n. Movement in general.
The migration of lead from a can to the food inside it can cause lead poisoning.
4. n. (computing) Instance of changing a platform from an environment to another one.
5. n. (biochemistry) The movement of cells in particular directions to specific locations.