# migration

Pronunciation: say "my-GRAY-shuhn" US /maɪˈɡɹeɪʃən/, UK /maɪˈɡɹeɪʃ(ə)n/

## Noun

1. An act of moving to live in another place for a period of time.
   - Simple: The act of moving to live in another place for a time.
   - _The migration from the countryside to cities increased during the war._
   - _Economic hardship drove a large migration of families across the border._
2. The regular seasonal journey of animals such as birds, fish, or mammals, especially between the places where they breed and where they spend the rest of the year.
   - Simple: The seasonal travel of animals like birds or fish between two living areas.
   - _The annual migration of monarch butterflies covers thousands of miles._
   - _Salmon undertake an arduous migration upstream to spawn._
3. The process of moving a software platform or system from one computing environment to another.
   - Simple: The act of moving a computer system or its data from one place to another.
   - _The cloud migration reduced the company's hardware costs significantly._
   - _Engineers scheduled the database migration for a low-traffic window._
4. Movement from one place or position to another, in a general sense.
   - Simple: The act of moving from one place to another.
   - _The gradual migration of the continents continues over geological time._
   - _Heat causes the migration of moisture toward cooler surfaces._
5. The directed movement of cells toward particular locations within the body.
   - Simple: The movement of cells in certain directions to reach specific places in the body.
   - _Abnormal cell migration allows cancer to spread to distant organs._
   - _Researchers filmed the migration of immune cells toward the infection site._

## Origin

From Middle French migration and its source, Latin migrātiō, from the participle stem of the verb migrō ("I migrate"). It can be analyzed as migrate plus the suffix -ion.

Source: DictionaryAI, https://dictionaryai.com/define/migration (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).