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AirPort
noun
Apple
’
s
trademarked
line
of
Wi-Fi
base
stations
and
networking
cards
used
to
connect
computers
and
devices
to
wireless
networks
•
The
old
iMac
still
connects
to
the
internet
through
an
AirPort
base
station
.
The
old
iMac
still
connects
to
the
internet
through
an
AirPort
base
station
.
•
She
replaced
her
aging
AirPort
router
with
a
newer
mesh
system
for
faster
speeds
.
She
replaced
her
aging
AirPort
router
with
a
newer
mesh
system
for
faster
speeds
.
Introduced
by
Apple
in
1999
as
a
consumer-friendly
brand
name
for
IEEE
802
.
11b
wireless
networking
products
.
air
noun
-
air
the
mixture
of
gases
around
Earth
that
people
,
animals
,
and
plants
breathe
•
The
mountain
air
felt
cool
and
fresh
against
her
face
.
The
mountain
air
felt
cool
and
fresh
against
her
face
.
•
Open
the
window
to
let
some
air
into
the
room
.
Open
the
window
to
let
some
air
into
the
room
.
From
Old
French
air
,
from
Latin
āēr
,
from
Ancient
Greek
ἀήρ
(
aḗr
)
meaning
“
atmosphere
,
sky
.”
noun
-
air
the
open
space
above
the
ground
or
around
objects
,
especially
seen
as
the
place
where
things
can
fly
or
float
•
The
kite
soared
high
in
the
air
.
The
kite
soared
high
in
the
air
.
•
Birds
filled
the
air
above
the
lake
at
dawn
.
Birds
filled
the
air
above
the
lake
at
dawn
.
verb
-
air
,
airing
,
airs
,
aired
to
let
fresh
air
move
through
something
so
that
it
becomes
dry
,
cool
,
or
smells
better
•
She
hung
the
blankets
outside
to
air
them
in
the
sun
.
She
hung
the
blankets
outside
to
air
them
in
the
sun
.
•
Remember
to
air
the
kitchen
after
frying
fish
.
Remember
to
air
the
kitchen
after
frying
fish
.
noun
a
particular
feeling
,
mood
,
or
quality
that
seems
to
surround
a
person
,
place
,
or
situation
•
The
library
had
an
air
of
quiet
concentration
.
The
library
had
an
air
of
quiet
concentration
.
•
She
walked
in
with
an
air
of
confidence
.
She
walked
in
with
an
air
of
confidence
.
verb
-
air
,
airing
,
airs
,
aired
to
broadcast
a
program
on
radio
,
television
,
or
the
internet
•
The
station
will
air
the
interview
at
6
p
.
m
.
The
station
will
air
the
interview
at
6
p
.
m
.
•
Our
favorite
show
airs
every
Friday
night
.
Our
favorite
show
airs
every
Friday
night
.
verb
-
air
,
airing
,
airs
,
aired
to
express
opinions
,
complaints
,
or
ideas
publicly
•
She
felt
comfortable
enough
to
air
her
concerns
at
the
meeting
.
She
felt
comfortable
enough
to
air
her
concerns
at
the
meeting
.
•
Citizens
gathered
to
air
their
views
on
the
new
law
.
Citizens
gathered
to
air
their
views
on
the
new
law
.
hair
noun
-
hair
the
fine
,
thread-like
strands
that
grow
from
the
skin
of
humans
and
many
animals
•
She
brushed
her
hair
until
it
looked
smooth
and
shiny
.
She
brushed
her
hair
until
it
looked
smooth
and
shiny
.
•
The
dog
’
s
shedding
hair
covered
the
couch
after
it
took
a
nap
.
The
dog
’
s
shedding
hair
covered
the
couch
after
it
took
a
nap
.
Old
English
hǣr
,
related
to
German
Haar
and
Dutch
haar
.
noun
a
single
strand
of
hair
•
I
found
a
long
hair
in
my
soup
and
sent
it
back
.
I
found
a
long
hair
in
my
soup
and
sent
it
back
.
•
There
are
a
few
gray
hairs
starting
to
show
in
his
beard
.
There
are
a
few
gray
hairs
starting
to
show
in
his
beard
.
chair
noun
a
piece
of
furniture
made
for
one
person
to
sit
on
,
usually
with
a
back
and
four
legs
.
•
Maria
pulled
out
a
chair
and
invited
me
to
sit
.
Maria
pulled
out
a
chair
and
invited
me
to
sit
.
•
The
old
rocking
chair
creaked
softly
on
the
porch
at
sunset
.
The
old
rocking
chair
creaked
softly
on
the
porch
at
sunset
.
Middle
English
chaere
,
from
Old
French
chaiere
,
from
Latin
cathedra
‘
seat
’.
noun
the
person
who
leads
a
meeting
,
committee
,
or
organization
and
keeps
order
.
•
Ms
.
Lee
was
elected
chair
of
the
student
council
.
Ms
.
Lee
was
elected
chair
of
the
student
council
.
•
The
chair
called
the
meeting
to
order
at
exactly
nine
o
’
clock
.
The
chair
called
the
meeting
to
order
at
exactly
nine
o
’
clock
.
Transferred
sense
from
‘
seat
’
to
the
person
occupying
the
seat
of
authority
,
first
recorded
in
the
17th
century
.
verb
to
lead
or
preside
over
a
meeting
,
committee
,
or
organization
.
•
Tomorrow
,
Olivia
will
chair
the
annual
budget
meeting
.
Tomorrow
,
Olivia
will
chair
the
annual
budget
meeting
.
•
He
has
chaired
the
committee
for
over
five
years
.
He
has
chaired
the
committee
for
over
five
years
.
Verbal
use
recorded
since
the
early
19th
century
,
from
the
noun
‘
chair
’
meaning
the
seat
of
authority
.
noun
(
the
chair
)
the
electric
chair
used
for
executing
prisoners
sentenced
to
death
.
•
The
prisoner
was
sentenced
to
the
chair
in
1950
.
The
prisoner
was
sentenced
to
the
chair
in
1950
.
•
Debates
over
the
use
of
the
chair
continue
to
divide
lawmakers
.
Debates
over
the
use
of
the
chair
continue
to
divide
lawmakers
.
Shortened
from
‘
electric
chair
’,
first
used
in
the
late
19th
century
when
electricity
was
introduced
for
capital
punishment
.
noun
a
permanent
professorship
at
a
university
,
often
in
a
specific
subject
.
•
Dr
.
Ahmed
holds
the
chair
of
Physics
at
the
university
.
Dr
.
Ahmed
holds
the
chair
of
Physics
at
the
university
.
•
The
endowment
funded
a
new
chair
in
environmental
law
.
The
endowment
funded
a
new
chair
in
environmental
law
.
From
the
sense
of
an
official
seat
,
extended
in
the
18th
century
to
mean
an
established
professorship
.
fair
adjective
-
fair
,
fairer
,
fairest
bright
and
dry
,
without
rain
or
storms
•
The
forecast
says
we
will
have
fair
weather
all
weekend
.
The
forecast
says
we
will
have
fair
weather
all
weekend
.
•
Sailors
prefer
to
leave
port
when
the
sea
is
calm
and
the
sky
is
fair
.
Sailors
prefer
to
leave
port
when
the
sea
is
calm
and
the
sky
is
fair
.
Weather
sense
recorded
since
the
14th
century
,
linked
to
the
idea
of
pleasantness
and
brightness
.
noun
a
public
event
with
rides
,
games
,
shows
,
and
stalls
where
people
gather
for
fun
and
shopping
•
We
rode
the
Ferris
wheel
at
the
county
fair
last
night
.
We
rode
the
Ferris
wheel
at
the
county
fair
last
night
.
•
Vendors
sold
handmade
jewelry
and
snacks
at
the
spring
fair
.
Vendors
sold
handmade
jewelry
and
snacks
at
the
spring
fair
.
From
Middle
English
feire
,
from
Old
French
feire
“
market
,
feast
,”
ultimately
from
Latin
feria
“
holiday
,
market
day
.”
adjective
-
fair
,
fairer
,
fairest
treating
everyone
equally
and
honestly
,
without
favoritism
or
cheating
•
The
referee
tried
to
be
fair
to
both
teams
during
the
match
.
The
referee
tried
to
be
fair
to
both
teams
during
the
match
.
•
She
divided
the
candy
in
a
fair
way
so
each
child
got
the
same
number
of
pieces
.
She
divided
the
candy
in
a
fair
way
so
each
child
got
the
same
number
of
pieces
.
Old
English
fæger
“
beautiful
,
pleasant
,
pleasing
,”
later
“
just
,
equitable
.”
adjective
-
fair
,
fairer
,
fairest
having
light
skin
or
light-colored
hair
•
His
twin
sister
has
fair
hair
and
freckles
.
His
twin
sister
has
fair
hair
and
freckles
.
•
People
with
fair
skin
should
use
strong
sunscreen
in
summer
.
People
with
fair
skin
should
use
strong
sunscreen
in
summer
.
Sense
of
“
light-colored
”
developed
in
Middle
English
from
the
idea
of
brightness
and
beauty
.
adjective
-
fair
,
fairer
,
fairest
quite
good
or
acceptable
but
not
excellent
•
The
hotel
offers
fair
service
for
a
low
price
.
The
hotel
offers
fair
service
for
a
low
price
.
•
She
has
a
fair
chance
of
winning
the
scholarship
.
She
has
a
fair
chance
of
winning
the
scholarship
.
Meaning
“
moderately
good
”
appears
in
the
16th
century
,
extending
from
earlier
senses
of
balance
and
adequacy
.
adverb
in
an
honest
way
,
without
cheating
or
bias
•
You
won
the
game
fair
,
so
enjoy
the
prize
.
You
won
the
game
fair
,
so
enjoy
the
prize
.
•
Let
’
s
play
fair
and
follow
the
rules
.
Let
’
s
play
fair
and
follow
the
rules
.
Adverbial
use
dates
from
the
14th
century
,
from
adjective
sense
of
honesty
.
affair
noun
A
social
event
,
celebration
,
or
gathering
.
•
The
wedding
was
an
elegant
affair
held
in
a
garden
.
The
wedding
was
an
elegant
affair
held
in
a
garden
.
•
Their
annual
barbecue
is
always
a
casual
affair
with
good
music
.
Their
annual
barbecue
is
always
a
casual
affair
with
good
music
.
noun
An
important
or
often
shocking
event
or
situation
that
draws
public
attention
.
•
The
sudden
resignation
of
the
mayor
turned
into
a
huge
political
affair
.
The
sudden
resignation
of
the
mayor
turned
into
a
huge
political
affair
.
•
The
burglary
affair
kept
the
small
town
in
suspense
for
weeks
.
The
burglary
affair
kept
the
small
town
in
suspense
for
weeks
.
noun
Activities
,
business
,
or
concerns
that
someone
is
responsible
for
,
especially
when
used
in
the
plural
.
•
She
asked
her
brother
to
mind
his
own
affairs
.
She
asked
her
brother
to
mind
his
own
affairs
.
•
The
minister
manages
the
nation's
foreign
affairs
.
The
minister
manages
the
nation's
foreign
affairs
.
noun
A
secret
or
improper
romantic
and
usually
sexual
relationship
,
often
between
people
who
are
married
to
others
.
•
After
months
of
secrecy
,
Maria
ended
her
affair
with
her
married
boss
.
After
months
of
secrecy
,
Maria
ended
her
affair
with
her
married
boss
.
•
The
novel
tells
the
story
of
a
forbidden
affair
that
spans
decades
.
The
novel
tells
the
story
of
a
forbidden
affair
that
spans
decades
.
noun
An
object
or
piece
of
equipment
,
especially
one
that
is
unusual
or
when
you
do
not
know
its
exact
name
.
•
He
fixed
the
rusty
old
affair
and
turned
it
into
a
coffee
table
.
He
fixed
the
rusty
old
affair
and
turned
it
into
a
coffee
table
.
•
What
is
that
strange
affair
on
your
desk
supposed
to
do
?
What
is
that
strange
affair
on
your
desk
supposed
to
do
?
pair
noun
two
matching
or
related
things
that
are
designed
to
be
used
together
•
I
can't
find
the
other
sock
;
this
pair
is
incomplete
.
I
can't
find
the
other
sock
;
this
pair
is
incomplete
.
•
He
bought
a
new
pair
of
glasses
yesterday
.
He
bought
a
new
pair
of
glasses
yesterday
.
From
Middle
English
paire
,
from
Old
French
paire
,
from
Latin
par
‘
equal
,
matched
’.
noun
two
people
or
animals
that
are
together
for
a
particular
activity
or
relationship
•
The
ice-skating
pair
performed
a
flawless
routine
.
The
ice-skating
pair
performed
a
flawless
routine
.
•
A
pair
of
horses
pulled
the
farmer's
wagon
across
the
field
.
A
pair
of
horses
pulled
the
farmer's
wagon
across
the
field
.
Same
origin
as
primary
sense
,
extended
to
people
and
animals
in
14th
century
.
verb
to
put
two
people
or
things
together
so
they
work
,
look
,
or
function
well
together
•
Red
wine
is
often
paired
with
steak
.
Red
wine
is
often
paired
with
steak
.
•
Please
pair
your
phone
with
the
car
’
s
Bluetooth
system
.
Please
pair
your
phone
with
the
car
’
s
Bluetooth
system
.
Verb
use
comes
from
the
noun
in
late
Middle
English
,
meaning
‘
to
form
a
set
of
two
’.
noun
in
mathematics
or
computing
,
an
ordered
set
of
two
related
numbers
or
objects
considered
together
•
In
the
coordinate
(
3
,
5
),
the
first
number
of
the
pair
shows
the
x-position
.
In
the
coordinate
(
3
,
5
),
the
first
number
of
the
pair
shows
the
x-position
.
•
Each
key-value
pair
in
the
database
represents
one
piece
of
information
.
Each
key-value
pair
in
the
database
represents
one
piece
of
information
.
Adopted
into
mathematical
language
in
the
19th
century
to
describe
two
linked
quantities
.
chairman
noun
-
chairman
,
chairmen
the
person
who
leads
or
is
in
charge
of
a
meeting
,
committee
,
or
organization
•
The
chairman
called
the
meeting
to
order
at
exactly
nine
o'clock
.
The
chairman
called
the
meeting
to
order
at
exactly
nine
o'clock
.
•
After
years
on
the
board
,
she
became
the
chairman
of
the
company
.
After
years
on
the
board
,
she
became
the
chairman
of
the
company
.
From
chair
+
man
;
originally
referred
to
the
person
who
presided
over
a
meeting
while
literally
sitting
in
the
chair
at
the
head
of
the
table
.
noun
-
chairman
,
chairmen
(
historical
)
a
man
whose
job
was
to
carry
people
in
a
covered
chair
through
the
streets
•
In
18th-century
London
,
a
chairman
waited
outside
the
theatre
to
carry
wealthy
patrons
home
.
In
18th-century
London
,
a
chairman
waited
outside
the
theatre
to
carry
wealthy
patrons
home
.
•
The
novel
described
how
the
exhausted
chairman
struggled
up
the
cobblestone
hill
.
The
novel
described
how
the
exhausted
chairman
struggled
up
the
cobblestone
hill
.
In
the
17th–19th
centuries
,
sedan
chairs
were
a
common
means
of
transport
in
European
cities
;
the
men
who
carried
them
were
called
“
chairmen
.”
airport
noun
a
place
where
airplanes
take
off
and
land
,
with
runways
and
buildings
for
passengers
and
cargo
•
We
arrived
at
the
airport
two
hours
before
our
flight
.
We
arrived
at
the
airport
two
hours
before
our
flight
.
•
Thunder
rumbled
as
a
plane
touched
down
at
the
rainy
airport
.
Thunder
rumbled
as
a
plane
touched
down
at
the
rainy
airport
.
From
air
+
port
,
first
recorded
in
the
early
20th
century
when
commercial
aviation
began
.
fairly
adverb
to
a
moderate
or
reasonable
degree
;
quite
but
not
extremely
•
The
water
was
fairly
warm
,
so
we
decided
to
swim
.
The
water
was
fairly
warm
,
so
we
decided
to
swim
.
•
She
speaks
Spanish
fairly
well
after
living
in
Madrid
.
She
speaks
Spanish
fairly
well
after
living
in
Madrid
.
adverb
in
a
way
that
is
fair
,
honest
,
and
without
favoritism
or
cheating
•
The
referee
tried
to
judge
the
match
fairly
.
The
referee
tried
to
judge
the
match
fairly
.
•
Everyone
should
be
paid
fairly
for
their
work
.
Everyone
should
be
paid
fairly
for
their
work
.
airline
noun
a
company
that
operates
regular
flights
carrying
passengers
or
goods
•
We
booked
our
tickets
on
a
budget
airline
for
the
trip
to
Rome
.
We
booked
our
tickets
on
a
budget
airline
for
the
trip
to
Rome
.
•
The
airline
canceled
the
flight
due
to
heavy
snow
.
The
airline
canceled
the
flight
due
to
heavy
snow
.
early
20th
century
:
from
air
+
line
,
on
the
model
of
railway
;
originally
meaning
‘
air
route
’,
later
‘
company
that
flies
such
routes
’.
noun
a
hose
,
tube
,
or
pipe
that
carries
compressed
air
from
a
supply
to
where
it
is
used
•
Make
sure
the
airline
is
connected
firmly
to
the
compressor
.
Make
sure
the
airline
is
connected
firmly
to
the
compressor
.
•
A
cracked
airline
can
cause
the
air
brakes
to
fail
.
A
cracked
airline
can
cause
the
air
brakes
to
fail
.
mid
20th
century
:
from
air
+
line
,
describing
a
conduit
for
moving
air
.
stair
noun
one
individual
step
in
a
set
of
stairs
•
She
missed
a
stair
and
nearly
fell
.
She
missed
a
stair
and
nearly
fell
.
•
Each
wooden
stair
creaked
under
his
weight
.
Each
wooden
stair
creaked
under
his
weight
.
From
Old
English
“
stæger
,”
meaning
a
ladder
or
flight
of
steps
.
noun
a
set
of
steps
inside
or
outside
a
building
that
people
use
to
go
up
or
down
,
usually
referred
to
in
the
plural
as
“
stairs
.”
•
Take
the
stairs
if
the
elevator
is
crowded
.
Take
the
stairs
if
the
elevator
is
crowded
.
•
His
office
is
up
two
flights
of
stairs
.
His
office
is
up
two
flights
of
stairs
.
Same
origin
as
the
singular
sense
,
descended
from
Old
English
“
stæger
.”
aircraft
noun
-
aircraft
a
vehicle
that
can
fly
through
the
air
,
such
as
an
airplane
,
helicopter
,
or
drone
•
The
cargo
aircraft
landed
safely
despite
heavy
rain
.
The
cargo
aircraft
landed
safely
despite
heavy
rain
.
•
Engineers
presented
a
model
of
a
new
electric
aircraft
at
the
tech
expo
.
Engineers
presented
a
model
of
a
new
electric
aircraft
at
the
tech
expo
.
early
20th
century
,
formed
from
air
+
craft
,
modeled
on
seacraft
upstairs
adverb
to
or
on
a
higher
floor
of
a
building
•
After
dinner
,
the
children
ran
upstairs
to
play
video
games
.
After
dinner
,
the
children
ran
upstairs
to
play
video
games
.
•
Could
you
bring
my
laptop
upstairs
when
you
come
?
Could
you
bring
my
laptop
upstairs
when
you
come
?
adjective
located
on
an
upper
floor
of
a
building
•
The
upstairs
bathroom
needs
a
new
light
bulb
.
The
upstairs
bathroom
needs
a
new
light
bulb
.
•
Their
upstairs
neighbors
invited
them
for
coffee
.
Their
upstairs
neighbors
invited
them
for
coffee
.
noun
-
upstairs
the
upper
floor
of
a
building
•
I'll
meet
you
downstairs
;
you
can
hear
the
music
from
upstairs
.
I'll
meet
you
downstairs
;
you
can
hear
the
music
from
upstairs
.
•
She
keeps
all
the
guest
towels
in
the
upstairs
.
She
keeps
all
the
guest
towels
in
the
upstairs
.
adverb
(
informal
)
in
or
relating
to
a
person's
mind
or
mental
abilities
•
He
might
be
brilliant
upstairs
,
but
he's
hopeless
in
the
kitchen
.
He
might
be
brilliant
upstairs
,
but
he's
hopeless
in
the
kitchen
.
•
After
staying
awake
for
two
nights
,
I
felt
like
nothing
worked
upstairs
.
After
staying
awake
for
two
nights
,
I
felt
like
nothing
worked
upstairs
.
repair
verb
to
fix
something
that
is
damaged
or
not
working
so
it
can
be
used
again
•
The
mechanic
repaired
the
car's
engine
in
just
two
hours
.
The
mechanic
repaired
the
car's
engine
in
just
two
hours
.
•
I
will
repair
my
broken
bike
this
weekend
.
I
will
repair
my
broken
bike
this
weekend
.
From
Old
French
reparer
,
from
Latin
reparare
meaning
“
to
make
ready
again
”.
noun
the
work
or
action
of
fixing
something
that
is
damaged
or
not
working
•
Our
television
is
away
for
repair
.
Our
television
is
away
for
repair
.
•
Those
repairs
cost
more
than
buying
a
new
appliance
.
Those
repairs
cost
more
than
buying
a
new
appliance
.
Same
origin
as
the
verb
:
via
Old
French
from
Latin
reparare
“
to
make
ready
again
”.
noun
the
condition
something
is
in
,
especially
how
good
or
bad
it
is
•
The
house
is
in
excellent
repair
.
The
house
is
in
excellent
repair
.
•
Her
old
bike
is
still
in
good
repair
.
Her
old
bike
is
still
in
good
repair
.
Evolved
from
the
sense
of
the
action
“
repair
”
to
mean
the
result
or
state
after
fixing
.
airplane
noun
a
vehicle
with
wings
and
an
engine
that
flies
through
the
air
carrying
people
or
goods
•
The
airplane
took
off
smoothly
into
the
bright
morning
sky
.
The
airplane
took
off
smoothly
into
the
bright
morning
sky
.
•
Ethan
pressed
his
face
to
the
window
,
amazed
at
how
small
the
city
looked
from
the
airplane
.
Ethan
pressed
his
face
to
the
window
,
amazed
at
how
small
the
city
looked
from
the
airplane
.
early
20th-century
American
English
,
from
air
+
plane
(“
flat
surface
”),
originally
referring
to
the
flat
wings
that
lift
the
craft
.
questionnaire
noun
a
printed
or
digital
set
of
questions
used
to
collect
information
or
opinions
from
people
•
Before
the
interview
,
the
company
asked
each
applicant
to
fill
out
a
questionnaire
about
their
work
experience
.
Before
the
interview
,
the
company
asked
each
applicant
to
fill
out
a
questionnaire
about
their
work
experience
.
•
At
the
clinic
,
the
nurse
gave
Miguel
a
health
history
questionnaire
to
complete
before
seeing
the
doctor
.
At
the
clinic
,
the
nurse
gave
Miguel
a
health
history
questionnaire
to
complete
before
seeing
the
doctor
.
late
19th
century
:
from
French
questionnaire
,
from
questionner
‘
to
question
’.
unfair
adjective
-
unfair
,
unfairer
,
unfairest
not
right
,
reasonable
,
or
just
,
because
it
treats
people
differently
or
breaks
accepted
rules
•
It
felt
unfair
when
her
little
brother
got
a
bigger
slice
of
cake
.
It
felt
unfair
when
her
little
brother
got
a
bigger
slice
of
cake
.
•
Many
students
thought
the
surprise
test
was
unfair
because
they
had
no
time
to
prepare
.
Many
students
thought
the
surprise
test
was
unfair
because
they
had
no
time
to
prepare
.
from
un-
(
not
)
+
fair
(
just
,
proper
);
in
use
since
the
late
Middle
English
period