- migration - the movement of persons from one country or locality to another
--1 is a kind of motion, movement, move
--1 has particulars:emigration, out-migration, expatriation; immigration, in-migration; gold rush Derived form: verb migrate1 - migration - a group of people migrating together (especially in some given time period)
--2 is a kind of people
Derived form: verb migrate1 - migration - (chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule
--3 is a kind of event
- migration - the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding
--4 is a kind of periodic event, recurrent event
Derived form: verb migrate2 - migration - the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding