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

Soaring cartel violence in Ecuador has been a driver behind migration from the South American country to the US, too.

From BBC

These figures are very different from those among voters in general, just 31% of whom believe that migration has undermined Britain's culture, and only 32% feel it has been bad for the economy.

From BBC

Why has Swedish public opinion shifted to the right on migration?

From BBC

But migration is not uncommon, especially among members of families who ended up on different sides of the border when India was partitioned and Pakistan was created in 1947.

From BBC

Tech billionaire Elon Musk, who endorsed the far-right party's migration policies earlier this year, has repeated his support for the AfD in recent days.

From BBC

Related Words

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