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formal
adjective
suitable
for
serious
or
official
occasions
,
especially
describing
elegant
clothing
or
events
that
require
it
•
The
invitation
said
the
wedding
was
formal
,
so
everyone
wore
suits
and
evening
gowns
.
The
invitation
said
the
wedding
was
formal
,
so
everyone
wore
suits
and
evening
gowns
.
•
At
the
embassy
dinner
,
a
formal
dress
code
was
strictly
enforced
.
At
the
embassy
dinner
,
a
formal
dress
code
was
strictly
enforced
.
From
Latin
“
formalis
”
meaning
“
relating
to
form
.”
adjective
showing
serious
,
polite
behavior
or
style
that
follows
accepted
social
rules
;
not
casual
or
relaxed
•
My
teacher
is
always
formal
when
she
speaks
to
parents
.
My
teacher
is
always
formal
when
she
speaks
to
parents
.
•
He
used
very
formal
language
in
his
job
interview
.
He
used
very
formal
language
in
his
job
interview
.
Derived
from
the
idea
of
keeping
to
set
social
“
forms
.”
noun
a
large
,
organized
school
dance
or
ball
,
especially
one
held
at
the
end
of
the
academic
year
•
Ella
bought
a
blue
gown
for
her
Year-12
formal
.
Ella
bought
a
blue
gown
for
her
Year-12
formal
.
•
They
hired
a
limo
to
arrive
in
style
at
the
school
formal
.
They
hired
a
limo
to
arrive
in
style
at
the
school
formal
.
Shortened
from
“
formal
dance
,”
popularized
in
Australian
schools
in
the
late
20th
century
.
adjective
official
and
recognized
by
rules
or
law
;
carried
out
in
a
fixed
,
proper
way
•
The
company
made
a
formal
announcement
of
the
merger
.
The
company
made
a
formal
announcement
of
the
merger
.
•
You
must
file
a
formal
complaint
to
start
the
process
.
You
must
file
a
formal
complaint
to
start
the
process
.
Sense
developed
from
Latin
“
formalis
”
referring
to
something
done
according
to
form
or
ceremony
.
adjective
concerned
with
form
,
structure
,
or
symbols
rather
than
practical
content
,
especially
in
mathematics
,
logic
,
or
linguistics
•
Students
study
formal
logic
before
tackling
real-world
arguments
.
Students
study
formal
logic
before
tackling
real-world
arguments
.
•
Programming
languages
have
precise
formal
grammars
.
Programming
languages
have
precise
formal
grammars
.
Adopted
in
technical
fields
to
stress
abstract
structure
.
formation
noun
the
act
or
process
of
creating
or
developing
something
•
The
rapid
formation
of
ice
on
the
pond
surprised
the
children
.
The
rapid
formation
of
ice
on
the
pond
surprised
the
children
.
•
Language
teachers
study
the
formation
of
new
words
over
time
.
Language
teachers
study
the
formation
of
new
words
over
time
.
Borrowed
from
Latin
formatio
meaning
‘
a
shaping
,
a
forming
’,
from
formare
‘
to
form
’.
noun
a
physical
structure
or
pattern
that
has
been
naturally
or
artificially
created
•
Tourists
flocked
to
see
the
towering
sandstone
formation
in
the
desert
.
Tourists
flocked
to
see
the
towering
sandstone
formation
in
the
desert
.
•
Coral
reefs
are
a
delicate
formation
built
by
tiny
sea
creatures
.
Coral
reefs
are
a
delicate
formation
built
by
tiny
sea
creatures
.
noun
an
orderly
arrangement
or
pattern
in
which
people
,
animals
,
or
vehicles
move
or
stand
•
The
soldiers
marched
in
perfect
formation
during
the
parade
.
The
soldiers
marched
in
perfect
formation
during
the
parade
.
•
Five
jets
streaked
across
the
sky
in
a
tight
V
formation
.
Five
jets
streaked
across
the
sky
in
a
tight
V
formation
.
format
noun
the
size
,
shape
,
or
arrangement
of
something
,
especially
the
way
information
,
a
document
,
or
a
program
is
organized
and
presented
•
The
teacher
explained
the
new
format
of
the
weekly
quiz
.
The
teacher
explained
the
new
format
of
the
weekly
quiz
.
•
The
TV
show
changed
its
format
to
attract
younger
viewers
.
The
TV
show
changed
its
format
to
attract
younger
viewers
.
Borrowed
from
French
format
,
from
Latin
forma
“
shape
,
form
.”
It
first
appeared
in
English
in
the
mid-19th
century
to
describe
book
sizes
before
broadening
to
other
kinds
of
arrangement
.
verb
-
format
,
formatting
,
formats
,
formatted
to
arrange
the
appearance
or
structure
of
text
,
pages
,
or
other
information
in
a
particular
way
•
She
formatted
the
essay
with
double
spacing
and
wide
margins
.
She
formatted
the
essay
with
double
spacing
and
wide
margins
.
•
Make
sure
to
format
the
table
so
the
numbers
align
.
Make
sure
to
format
the
table
so
the
numbers
align
.
verb
-
format
,
formatting
,
formats
,
formatted
to
prepare
a
disk
,
memory
card
,
or
other
storage
device
for
use
,
which
deletes
all
existing
data
•
Before
installing
the
new
system
,
he
had
to
format
the
hard
drive
.
Before
installing
the
new
system
,
he
had
to
format
the
hard
drive
.
•
The
photographer
formatted
the
memory
card
to
clear
space
for
new
pictures
.
The
photographer
formatted
the
memory
card
to
clear
space
for
new
pictures
.
information
noun
-
information
facts
or
knowledge
about
someone
or
something
that
help
you
understand
it
or
make
decisions
•
The
tourist
asked
the
receptionist
for
information
about
local
bus
routes
.
The
tourist
asked
the
receptionist
for
information
about
local
bus
routes
.
•
Before
buying
a
car
,
Elena
read
online
information
about
its
safety
ratings
.
Before
buying
a
car
,
Elena
read
online
information
about
its
safety
ratings
.
late
Middle
English
:
from
Old
French
,
from
Latin
informatio
‘
forming
,
conception
’,
from
the
verb
informare
‘
give
form
or
shape
to
’
noun
a
formal
written
statement
by
a
prosecutor
accusing
someone
of
a
crime
•
The
prosecutor
filed
an
information
against
the
suspect
in
the
county
court
.
The
prosecutor
filed
an
information
against
the
suspect
in
the
county
court
.
•
After
reviewing
the
information
,
the
judge
scheduled
a
preliminary
hearing
.
After
reviewing
the
information
,
the
judge
scheduled
a
preliminary
hearing
.
legal
sense
developed
in
16th-century
English
law
as
an
official
accusation
presented
by
a
public
officer
.
performance
noun
an
act
of
presenting
a
play
,
concert
,
dance
,
or
other
entertainment
for
an
audience
•
The
school's
drama
club
gave
an
impressive
performance
of
“
Hamlet
”
last
night
.
The
school's
drama
club
gave
an
impressive
performance
of
“
Hamlet
”
last
night
.
•
Tickets
for
the
ballet
performance
sold
out
in
minutes
.
Tickets
for
the
ballet
performance
sold
out
in
minutes
.
from
perform
+
-ance
,
first
recorded
in
Middle
English
in
reference
to
carrying
out
an
act
,
later
applied
to
theatrical
shows
noun
-
performance
how
well
a
person
,
group
,
or
organization
does
a
task
or
achieves
results
•
Regular
practice
improved
his
performance
on
the
math
test
.
Regular
practice
improved
his
performance
on
the
math
test
.
•
The
coach
praised
the
team's
performance
in
the
final
.
The
coach
praised
the
team's
performance
in
the
final
.
noun
-
performance
how
well
a
machine
,
vehicle
,
or
system
works
•
Upgrading
the
memory
increased
the
computer's
performance
.
Upgrading
the
memory
increased
the
computer's
performance
.
•
High
temperatures
can
affect
engine
performance
.
High
temperatures
can
affect
engine
performance
.
noun
an
unnecessary
or
exaggerated
display
of
actions
,
often
to
attract
attention
or
show
annoyance
•
He
made
a
big
performance
about
forgetting
his
keys
.
He
made
a
big
performance
about
forgetting
his
keys
.
•
Stop
making
a
performance
—
it's
only
a
small
scratch
.
Stop
making
a
performance
—
it's
only
a
small
scratch
.
transformation
noun
a
thorough
or
dramatic
change
in
form
,
appearance
,
or
character
•
The
abandoned
warehouse
underwent
a
stunning
transformation
into
luxury
lofts
.
The
abandoned
warehouse
underwent
a
stunning
transformation
into
luxury
lofts
.
•
After
months
of
training
,
Marco's
body
transformation
amazed
his
friends
.
After
months
of
training
,
Marco's
body
transformation
amazed
his
friends
.
from
Latin
transformare
“
to
change
in
shape
,”
from
trans-
“
across
”
+
formare
“
to
form
.”
noun
in
stories
,
myths
,
or
magic
,
the
act
of
changing
one
thing
or
creature
into
another
•
The
witch
’
s
sudden
transformation
of
the
prince
into
a
frog
shocked
the
court
.
The
witch
’
s
sudden
transformation
of
the
prince
into
a
frog
shocked
the
court
.
•
In
the
legend
,
the
phoenix
’
s
fiery
death
leads
to
its
glorious
transformation
and
rebirth
.
In
the
legend
,
the
phoenix
’
s
fiery
death
leads
to
its
glorious
transformation
and
rebirth
.
used
in
folklore
and
alchemy
to
describe
magical
changes
long
before
modern
science
adopted
the
word
.
noun
in
mathematics
,
a
rule
that
maps
every
point
of
a
figure
or
space
to
another
point
,
often
changing
its
position
,
size
,
or
orientation
•
A
rotation
by
90
degrees
is
a
common
geometric
transformation
.
A
rotation
by
90
degrees
is
a
common
geometric
transformation
.
•
The
programmer
used
a
matrix
transformation
to
render
the
3-D
model
.
The
programmer
used
a
matrix
transformation
to
render
the
3-D
model
.
adopted
into
mathematical
vocabulary
in
the
19th
century
to
describe
operations
that
change
geometric
figures
.
noun
in
genetics
,
the
process
by
which
a
cell
takes
up
foreign
DNA
and
expresses
it
•
Scientists
used
bacterial
transformation
to
produce
insulin
.
Scientists
used
bacterial
transformation
to
produce
insulin
.
•
Heat
shock
is
a
common
method
to
induce
plasmid
transformation
in
bacteria
.
Heat
shock
is
a
common
method
to
induce
plasmid
transformation
in
bacteria
.
coined
in
early
20th-century
microbiology
after
Frederick
Griffith
’
s
1928
experiments
showing
bacteria
could
change
form
when
exposed
to
material
from
other
strains
.