- migrating abscess,
- migration inhibition test,
- migratory locust,
Origin of migration
Examples from the Web for migration
This “Sixth Migration” of massive human migration to Texas is the larger story of the book, and it is a significant story.
The migration pattern—families that have failed elsewhere and come here for a last chance—becomes clear quickly enough.
And more are on the way in a migration likely to continue for months.
Such acts send a powerful signal, says Kevin Appleby, head of migration policy for the USCCB.
The habitat requirements of elk and their speed of migration are probably the same today as at the end of the Pleistocene.Incontrovertible Evidence Proves the First Americans Came From Asia|Doug Peacock|March 27, 2014|DAILY BEAST
As there are types of forces or causes giving rise to migration, there are likewise types of migration.
From all I could hear the migration appears to have spent itself at this spot.The Land's End|W. H. Hudson
On the fall migration it visits the coast of northwestern Alaska frequently, perhaps regularly, and often commonly.Life Histories of North American Shore Birds, Part 1 (of 2)|Arthur Cleveland Bent
But the vital facts touching the pioneers of Iowa are not of migration and settlement.History of the Constitutions of Iowa|Benjamin F. Shambaugh
The Tsars had new reasons for opposing the migration of the peasants and new means for preventing it.Russia|Donald Mackenzie Wallace
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- (cf. Greek ameibein "to change"), from root *mei- "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 ...."