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migration
noun
the
movement
of
large
groups
of
people
from
one
place
or
country
to
another
to
live
or
work
•
After
the
war
,
the
country
saw
a
massive
wave
of
migration
to
safer
neighboring
nations
.
After
the
war
,
the
country
saw
a
massive
wave
of
migration
to
safer
neighboring
nations
.
•
Industrial
growth
in
the
city
triggered
rapid
rural-to-urban
migration
.
Industrial
growth
in
the
city
triggered
rapid
rural-to-urban
migration
.
From
Latin
migratio
“
a
removal
,
change
of
abode
,”
from
migrare
“
to
move
from
one
place
to
another
.”
noun
the
regular
seasonal
movement
of
animals
from
one
place
to
another
•
Tourists
gather
each
year
to
watch
the
dramatic
migration
of
wildebeests
across
the
river
.
Tourists
gather
each
year
to
watch
the
dramatic
migration
of
wildebeests
across
the
river
.
•
The
monarch
butterflies
begin
their
long
southward
migration
in
autumn
.
The
monarch
butterflies
begin
their
long
southward
migration
in
autumn
.
Same
origin
as
general
sense
:
Latin
migratio
,
but
applied
to
animal
behavior
since
the
1720s
.
noun
the
process
of
moving
computer
data
or
software
from
one
location
,
system
,
or
format
to
another
•
The
IT
team
completed
the
data
migration
to
the
new
cloud
server
overnight
.
The
IT
team
completed
the
data
migration
to
the
new
cloud
server
overnight
.
•
Software
migration
requires
careful
testing
to
avoid
downtime
.
Software
migration
requires
careful
testing
to
avoid
downtime
.
Borrowed
into
computing
jargon
in
the
1960s
,
extending
the
older
sense
of
physical
movement
to
digital
information
.
immigration
noun
-
immigration
the
process
of
people
moving
to
live
permanently
in
a
country
that
is
not
the
one
where
they
were
born
•
Canada
has
encouraged
immigration
to
increase
its
labour
force
.
Canada
has
encouraged
immigration
to
increase
its
labour
force
.
•
Skilled-worker
immigration
helped
his
family
start
a
new
life
in
Germany
.
Skilled-worker
immigration
helped
his
family
start
a
new
life
in
Germany
.
From
Latin
immigrare
“
to
move
into
,
enter
and
settle
,”
formed
with
the
prefix
in-
“
into
”
and
migrare
“
to
move
,
change
abode
.”
noun
-
immigration
the
place
or
official
checks
at
a
border
,
airport
,
or
port
where
passports
and
visas
are
examined
before
you
are
allowed
into
a
country
•
We
went
through
immigration
quickly
because
the
airport
was
quiet
.
We
went
through
immigration
quickly
because
the
airport
was
quiet
.
•
She
smiled
with
relief
after
clearing
immigration
and
collecting
her
luggage
.
She
smiled
with
relief
after
clearing
immigration
and
collecting
her
luggage
.
Sense
extended
from
the
general
idea
of
‘
immigration
’
to
the
office
and
procedure
handling
it
,
first
recorded
in
the
late
19th
century
as
international
travel
increased
.