migration

nouns

the movement of persons from one country or locality to another
migration
is derived from
migrational
is derived from
migrate
is a type of (narrower)
the act of changing location from one place to another
"police controlled the motion of the crowd"; "the movement of people from the farms to the cities"; "his move put him directly in my path"
motion, move, movement
a group of people migrating together (especially in some given time period)
migration
is derived from
migrate
is a type of (narrower)
(plural) any group of human beings (men or women or children) collectively
"old people"; "there were at least 200 people in the audience"
people
(chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule
migration
domain category
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
chemical science, chemistry
is a type of (narrower)
something that happens at a given place and time
event
the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding
migration
is derived from
migrational
is derived from
migrate
is a type of (narrower)
an event that recurs at intervals
periodic event, recurrent event