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

That’s on the back of an ongoing migration to online car buying, which currently accounts for only 2% of used-vehicle sales, “as consumers get more comfortable with purchasing online,” he said.

Read more on MarketWatch

Virgin Media said the majority of migrations from landline to digital had been completed "without issue".

Read more on BBC

In recent years, undocumented Hondurans have been at the forefront of the U.S.-bound migration wave from Central America.

Read more on The Wall Street Journal

“Ultimately, our goal has always been to ease the suffering of migrants and refugees,” said Patrick Okrut, Uganda’s commissioner responsible for migration.

Read more on The Wall Street Journal

How does that sit alongside other key migration measures, including overall immigration, small boat arrivals and visas granted?

Read more on BBC

Related Words

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