migration meaning
EN
[maɪˈɡɹeɪʃ(ə)n] [-eɪʃən] WMigration
- Migration, Migratory behavior, or Migratory may refer to:
- Gene migration, a process in evolution and population genetics
- Animal migration, the physical movement by animals from one area to another
- Human migration, physical movement by humans from one area to another
- Bird migration, the regular seasonal journey undertaken by many species of birds
- Reverse migration (birds), a phenomenon in bird migration
- Fish migration, the regular journey of fish
- Insect migration, the seasonal movement of insects
- Lepidoptera migration, the movement of butterflies and moths
FR migration 
- NounPLmigrationsSUF-ation
- An instance of moving to live in another place for a while.
- Seasonal moving for animals, as birds or fishes, to breed or find a new home.
- Many of these classic methods are still used, with some modern improvements. For example, with the aid of special microphones and automated sound detection software, ornithologists recently reported […] that pine siskins (Spinus pinus) undergo an irregular, nomadic type of nocturnal migration.
- Movement in general.
- The migration of lead from a can to the food inside it can cause lead poisoning.
- (computing) Instance of changing a platform from an environment to another one.
- (biochemistry) The movement of cells in particular directions to specific locations.
- An instance of moving to live in another place for a while.
- More Examples
- Used in the Middle of Sentence
- It is noteworthy that the basement membrane underlining the migrating sheet of the endopinacoderm remains intact subsequent to cell layer migration (Fig 7f ).
- After deproteination, the migration of the assembled form II DNA will remain unchanged, appearing not to have been supercoiled by nucleosomes.
- The migration allows mixing of naïve and infected birds, transmission of multiple viruses simultaneously and generation of hetero- and homosubtypic immunity [8 ,11 ].
- Used in the Ending of Sentence
- This may be due either to the lower interaction with the extracellular matrix, or the lower degradation of biopeptides that stimulate cell migration.
- Used in the Middle of Sentence
Definition of migration in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Nouns
- fr migration
- en migrations
- fr migrations
- en migrational
- en migrationism
Source: Wiktionary
Grammatically, this word "migration" is a noun, more specifically, a countable noun.