migration

[mahy-grey-shuhn]

noun

1. the process or act of migrating.

2. a migratory movement.

   preparations for the migration.

3. a number or body of persons or animals migrating together.

4. Chemistry.,  a movement or change of position of atoms within a molecule.

5. Physics.,  diffusion.

migration

/ maɪˈɡreɪʃən /

noun

1. the act or an instance of migrating

2. a group of people, birds, etc, migrating in a body

3. chem a movement of atoms, ions, or molecules, such as the motion of ions in solution under the influence of electric fields

migration

1. The seasonal movement of a complete population of animals from one area to another. Migration is usually a response to changes in temperature, food supply, or the amount of daylight, and is often undertaken for the purpose of breeding. Mammals, insects, fish, and birds all migrate. The precise mechanism of navigation during migration is not fully understood, although for birds it is believed that sharp eyesight, sensibility to the Earth's magnetic field, and the positions of the Sun and other stars may play a role.

2. The movement of one atom or more, or of a double bond, from one position to another within a molecule.

3. The movement of ions between electrodes during electrolysis.

Other Word Forms

• migrational adjective
• nonmigration noun
• premigration adjective
• remigration noun

Word History and Origins

Origin of migration¹

First recorded in 1605–15, migration is from the Latin word migrātīon- (stem of migrātiō ). See migrate, -ion

Example Sentences

Meanwhile the city's once-bustling seafront, where families gathered on summer evenings, has become a corridor of tents and broken concrete, the site of a mass migration through the ruins.

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He explained he had "jumped ship" because of what he claimed were Tory "failures" on issues such as mass migration and Brexit, which he believes led to a loss of confidence in the party.

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Bostic’s district covers Alabama, Florida, Georgia, and portions of Louisiana, Mississippi, and Tennessee, states that have largely benefited from the multiyear migration of companies and workers to the South.

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Interpol, the international policing agency, says increased global migration and human trafficking has led to more people being reported missing outside of their countries, which can make identifying bodies more challenging.

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"EES will contribute to prevent irregular migration and help protect the security of everyone living in or travelling to Europe," it said.

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Related Words

• exodus 
• flight 
• journey 
• movement 
• shift 
• transfer