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 ( def 3a ).

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

/ mī-grā′shən /

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.

Derived Forms

• miˈgrational, adjective

Other Words From

• mi·gration·al adjective
• nonmi·gration noun
• premi·gration adjective
• remi·gration 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

I had been investigating climate change as a new driver of both large-scale migration around the world and of potential conflict.

From Salon

If humankind’s uncharted venture into the hottest and most unpredictably chaotic environment in history was to be marked by a new era of global migration, how would never-ending pressure on the U.S. border weigh on the politics and divisions of this country?

From Salon

Deforestation and flooding in Bangladesh, the collapse of Black Sea fisheries, the desertification of sub-Saharan Africa and “a nearly endless list” of other issues, he said, would drive human migration.

From Salon

He imagined a future in which “resources and livable conditions are scarce. Scarcity is the rule, and requires a degree of self-interest. Population problems are beyond solution by migration. No habitable unclaimed lands remain.”

From Salon

He wrote the foreword to a dystopian French climate-focused analysis called “Convergence of Catastrophes,” which predicts an era of unprecedented migration and political destabilization.

From Salon

Related Words

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