migration
pronunciation
How to pronounce migration in British English:
UK [maɪˈɡreɪʃn]
How to pronounce migration in American English:
US [maɪˈɡreɪʃn]
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- Noun:
- the movement of persons from one country or locality to another
- a group of people migrating together (especially in some given time period)
- (chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule
- the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding
Word Origin
- migration (n.)
- 1610s, of persons, 1640s of animals, from Latin migrationem (nominative migratio) "a removal, change of abode, migration," noun of action from past participle stem of migrare "to move from one place to another," probably originally *migwros, from PIE *meigw- (source of Greek ameibein "to change"), from root *mei- (1) "to change, go, move" (see mutable). Related: Migrational. That European birds migrate across the seas or to Asia was understood in the Middle Ages, but subsequently forgotten. Dr. Johnson held that swallows slept all winter in the beds of rivers, while the naturalist Morton (1703) stated that they migrated to the moon. As late as 1837 the "Kendal Mercury" "detailed the circumstance of a person having observed several Swallows emerging from Grasmere Lake, in the spring of that year, in the form of 'bell-shaped bubbles,' from each of which a Swallow burst forth ...."
Example
- 1. The latest migration is from elsewhere in central america .
- 2. She is part of humanity 's greatest mass migration .
- 3. Total migration has been positive for california since 1996 .
- 4. Or the documented cases of methane migration ?
- 5. Unfettered migration is obviously a lot more likely within countries .