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

However, so far it has been observed that these cathode materials 'age' rapidly: the cathode material degrades as a result to the back-and-forth migration of lithium ions during charging and discharging.

From Science Daily

For example, by giving money to countries such as Syria, it’s possible to tackle the so-called “root causes” of migration so there’s less need for refugees to flee.

From BBC

Independence had come with the painful partition that created Pakistan, sparking one of history's largest and bloodiest migrations.

From BBC

But Prime Minister Anthony Albanese's government is facing pressure to reduce record levels of migration, in the hope of improving housing affordability and easing a cost-of-living crisis, ahead of a federal election next year.

From BBC

Early human migrations from Africa to the southern part of the globe were well underway during the early part of the last ice age -- humans reached northern Australia by around 65,000 years ago.

From Science Daily

Related Words

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