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

Talks with African nations will centre on trade, migration and critical raw materials.

Read more on Barron's

Taken together, the two abilities complement each other and help hatchlings understand both where they are and which way they should travel during their remarkable migration.

Read more on Science Daily

Sarwar said he supported the UK government's proposals, calling for a managed migration system with "the right balance between skills and immigration".

Read more on BBC

America’s lack of a national identity and a common ethnicity may turn out to be an advantage in the 21st century, dominated as it is by mass migrations from the south to the north.

Read more on The Wall Street Journal

These greater economic efficiencies spurred migration to new jobs in new industries, and a gradual rise in our standard of living.

Read more on MarketWatch

Related Words

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