Definition of migration in English:

migration

noun

  • 1Seasonal movement of animals from one region to another.

    ‘this butterfly's annual migration across North America’
    • ‘The pink salmon migration is expected to start in March or April.’
    • ‘In proposing the waiver, the agency suggested that it would actually benefit wildlife: By interrupting migration, drilling would enable scientists to study the effects of habitat disruption on the deer.’
    • ‘But each year the number decreased until there was only one, which left in late February, 1995, to begin its long spring migration to Russia's steppes.’
    • ‘During periods of migration, the animals transport tribal communities, often as far as several hundred kilometers.’
    • ‘Bird migration is a phenomenon that connects countries, even continents.’
    • ‘This may be an important mechanism promoting the shoreward migration of larval invertebrates and fish.’
    • ‘First the salmon stacked up in a long pool, waiting for the rush of water that signals the fall migration.’
    • ‘On many federal lands, one such "impediment" stipulates that drilling must be halted during periods of wildlife migration.’
    • ‘During these long migrations they are extremely vulnerable to attack by predators.’
    • ‘In March and early April, they begin their northward migration, often up the Pacific Coast, back to the breeding grounds.’
    • ‘The novel finds a sad, touching disparity between the migrations of birds and the forced marches of uprooted men.’
    • ‘While the Corps issues the permits, the state regulates when the work can be done in accordance with fish migration and spawning seasons.’
    • ‘Twice every year, they begin their migration from the Caspian - up from the shores of Iran into the turbid brown artery of the Volga.’
    • ‘In 2000 the Whooping Crane Eastern Partnership worked together to test the first full migration with sandhill cranes.’
    • ‘The lack of molt in adults of that species prior to autumn migration probably accounts for this difference.’
    • ‘You want to write a treatise on swallow migration?’
    • ‘The most frequented place at the moment appears to be in the waters off Kalbarri where humpbacks on their northern migration are frolicking about two weeks earlier than usual.’
    departure, passage
    relocation, resettling, population movement, transhumance, moving, moving abroad, emigration, expatriation, posting, exodus, departure, hegira, defection, trek, diaspora
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    1. 1.1Movement of people to a new area or country in order to find work or better living conditions.
      ‘the extensive rural-to-urban migration has created a severe housing shortage’
      • ‘From the perspective of human ecology, migration is the major mechanism of social change and adaptability for human populations.’
      • ‘First, worldwide patterns of population growth and migration have resulted in increased urbanization, not only within the established industrialized states, but also in many undeveloped and developing societies.’
      • ‘Topping the agenda is a single market that would eliminate trade barriers and ease migration for skilled workers and professionals.’
      • ‘By 1850, the heaviest concentration was in Louisiana, the result of Sicilian migration to New Orleans and its environs.’
      • ‘They were rebuilt quickly after the war, and a massive urban migration occurred throughout the 1950s and 1960s as a result of large-scale industrialization and economic development.’
      • ‘The set of questions, mostly aimed at the intelligentsia, seek to form an opinion on migration of Sikhs from Kashmir.’
      • ‘Each successive phase of industrial change and development has been, in its turn, associated with new patterns of internal and international migration.’
      • ‘Another factor that inhibited earlier Moroccan migration to the United States was the relative proximity of Europe.’
      • ‘Movement and migration is evident along this coast in ancient and modern times.’
      • ‘For decades now, the unlawful migration of millions of Mexican nationals into the United States has been a source of sometimes passionate disagreement on both sides of the border.’
      • ‘Because of large migration within the country, Aymara and Quechua speakers are also found throughout the major urban centers of Peru.’
      • ‘In many cases, money sent by immediate relatives reflects a mutually beneficial agreement whereby the migrant family member is supporting his or her family members until their migration is possible.’
      • ‘The first looks at the growth of Bronzeville from 1890 to 1950 in relation to the great migration of African Americans from the rural South to the industrialized North.’
      • ‘The group is building a history of each farm and relating outside influences such as war, depression and migration to the local farms.’
      • ‘Migrations will likely continue to new states and to the rural areas of states where the Amish presently live.’
      • ‘It was the biggest migration of people seen in Europe since the Dark Ages.’
      • ‘Because of their migrations to other countries, it is impossible to arrive at exact population figures for the Garifuna.’
      • ‘As the costs of migration are assumed to rise, the government acquires more power to extract additional revenue from its constituents without the constituents emigrating to another territory.’
      • ‘The issue of race and skin colour also had a major importance in shaping the politics of migration in Britain.’
      • ‘Having arrived there first as part of a wave of migration from Tahiti, probably in the 9th century, by 1200 they had established settlements in various parts of the islands.’
  • 2Movement from one part of something to another.

    ‘there is virtually no cell migration in plants’
    • ‘Generally, foreland basins show convex-up subsidence curves due to increasing subsidence rates through time resulting from migration of a supra-crustal orogenic load towards the foreland.’
    • ‘In ductile materials, these stress concentrations may be relieved by creep and stress relaxation in the matrix or by grain-boundary migration.’
    • ‘Note that migration always changes the state of the entire segment, because a gamete either does or does not migrate.’
    • ‘There was also an improvement in cell-mediated immune status, as assessed by the leukocyte migration inhibition test.’
    • ‘The windowing technique captured simulated sinusoidal and step changes in cell migration superposed on a persistent random walk in simulated cell movement.’

Pronunciation:

migration

/mīˈɡrāSH(ə)n/