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单词 migrate
释义 mi·grate
\ˈmīˌgrāt, usu -ād.+V\ verb
(-ed/-ing/-s)
Etymology: Latin migratus, past participle of migrare; akin to Greek ameibein to change, and perhaps to Sanskrit mayate he exchanges — more at mean
intransitive verb
: to move from one place to another: as
 a.
  (1) : to leave one country, region, or place in order to settle in another
   < pretty lucky to have migrated to this country — Victor Boesen >
  (2) : to move from one area to another in search of work (as seasonal labor)
   < migrating with the alternation of crops through field after field of the West — Oscar Handlin >
  (3) : transfer; specifically : to transfer from one college to another at a university in the British Isles
   < designing to migrate presently to a theological college — John Buchan >
   < migrated to Emmanuel … probably to be at his elder brother's college — A.J.Shirren >
 b.
  (1) : to pass periodically from one region or climate to another for feeding or breeding
   < birds that migrate only at night — F.A.Geldard >
  (2) : to extend the habitat gradually from an old or into a new region
   < some plants failed to migrate into their old ranges as the glaciation diminished >
  (3) : to move from one site to another in a host organism especially as part of a life cycle
   < filiarial worms migrate within the human body >
  (4) : to alter position in the course of embryologic development or other organic process
   < one eye gradually migrates across the top the head, until both are on the same side — R.E.Coker >
 c.
  (1) : to move or undergo removal from one locality to another as a result of the operation of natural forces
   < the dunes usually migrate inland — W.W.Atwood b.1906 >
  (2) of an atom or group : to shift position within a molecule
  (3) of an ion : to move toward an electrode
  (4) of a chemical substance : to move or diffuse into an environing medium
   < plasticizers that migrate into the adhesive film — Product Engineering >
   < retard the development of rancidity when oxidable oils … migrate into it — J.J.Aid >
 d. : to change locale or center of gravity : shift
  < the coal-mining centers … have migrated eastward — L.D.Stamp >
  < industry, having migrated from the manor to the craft guild of the town — Stringfellow Barr >
transitive verb
: to cause to migrate
 < migrate a silicon atom — J.R.Goldsmith >
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更新时间:2024/11/10 17:19:31