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migration

mi·gra·tion [ mī gráysh'n ] (plural mi·gra·tions)


noun 
Definition:
 
1. movement from one place to another: the act or process of moving from one region or country to another

2. group moving between places: a group of people, birds, or other animals that are moving together from one region or country to another

3. chemistry shift of ions: the movement of ions under the influence of an electric field

4. chemistry movement of atoms: the movement of an atom, or a group of atoms or double bonds, from one part of a molecule to another

5. transference between computer systems: a transfer of computer data, programs, or hardware from one system to another


mi·gra·tion·al adjective
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