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galaxy
noun
-
galaxy
,
galaxies
A
huge
collection
of
billions
of
stars
,
gas
,
dust
,
and
unseen
dark
matter
held
together
by
gravity
and
moving
through
space
as
a
single
system
.
•
Through
the
telescope
,
Maria
could
see
the
spiral
arms
of
a
distant
galaxy
.
Through
the
telescope
,
Maria
could
see
the
spiral
arms
of
a
distant
galaxy
.
•
Scientists
believe
that
our
galaxy
contains
hundreds
of
billions
of
stars
.
Scientists
believe
that
our
galaxy
contains
hundreds
of
billions
of
stars
.
From
Old
French
galaxie
,
from
Medieval
Latin
galaxia
,
from
Ancient
Greek
galaxías
(
κύκλος
) ‘(
milky
)
circle
’,
referring
to
the
Milky
Way
.
noun
-
galaxy
,
galaxies
A
large
and
impressive
group
of
famous
,
talented
,
or
remarkable
people
or
things
.
•
The
museum
’
s
new
exhibition
gathers
a
galaxy
of
priceless
Renaissance
masterpieces
.
The
museum
’
s
new
exhibition
gathers
a
galaxy
of
priceless
Renaissance
masterpieces
.
•
At
the
tech
conference
,
there
was
a
galaxy
of
innovative
gadgets
on
display
.
At
the
tech
conference
,
there
was
a
galaxy
of
innovative
gadgets
on
display
.
Figurative
use
recorded
since
the
mid-19th
century
,
extending
the
astronomical
sense
to
a
dazzling
assembly
of
illustrious
figures
.
sexy
adjective
-
sexy
,
sexier
,
sexiest
Physically
attractive
in
a
way
that
arouses
sexual
interest
.
•
Everyone
agreed
the
actor
looked
especially
sexy
in
the
black
tuxedo
.
Everyone
agreed
the
actor
looked
especially
sexy
in
the
black
tuxedo
.
•
After
her
new
haircut
,
Maria
glanced
in
the
mirror
and
felt
sexy
for
the
first
time
in
months
.
After
her
new
haircut
,
Maria
glanced
in
the
mirror
and
felt
sexy
for
the
first
time
in
months
.
From
sex
+
-y
,
first
recorded
in
the
early
20th
century
.
adjective
-
sexy
,
sexier
,
sexiest
Exciting
,
fashionable
,
or
appealing
in
a
lively
way
that
catches
people
’
s
attention
.
•
The
start-up
is
working
on
a
sexy
new
smartphone
with
a
foldable
screen
.
The
start-up
is
working
on
a
sexy
new
smartphone
with
a
foldable
screen
.
•
Journalists
love
a
sexy
headline
that
grabs
readers
immediately
.
Journalists
love
a
sexy
headline
that
grabs
readers
immediately
.
Figurative
use
developed
in
the
late
20th
century
as
marketers
and
journalists
applied
the
word
to
exciting
new
products
and
ideas
.
oxygen
noun
-
oxygen
a
colorless
,
odorless
gas
(
chemical
symbol
O
)
that
makes
up
about
one-fifth
of
the
air
and
is
essential
for
breathing
,
combustion
,
and
many
chemical
reactions
.
•
Deep-sea
divers
carry
tanks
filled
with
oxygen
so
they
can
breathe
underwater
.
Deep-sea
divers
carry
tanks
filled
with
oxygen
so
they
can
breathe
underwater
.
•
During
science
class
,
the
teacher
showed
how
burning
a
candle
uses
up
the
oxygen
in
a
closed
jar
.
During
science
class
,
the
teacher
showed
how
burning
a
candle
uses
up
the
oxygen
in
a
closed
jar
.
Coined
in
the
late
18th
century
from
French
‘
oxygène
’,
formed
from
Greek
‘
oxys
’
meaning
‘
sharp
,
acid
’
and
‘
-genes
’
meaning
‘
producer
’,
because
early
chemists
mistakenly
thought
it
was
necessary
to
make
acids
.
noun
-
oxygen
something
that
is
vitally
needed
to
keep
an
activity
,
system
,
or
feeling
alive
and
successful
.
•
Freedom
of
the
press
is
the
oxygen
of
a
healthy
democracy
.
Freedom
of
the
press
is
the
oxygen
of
a
healthy
democracy
.
•
For
many
artists
,
inspiration
is
the
oxygen
that
fuels
their
creativity
.
For
many
artists
,
inspiration
is
the
oxygen
that
fuels
their
creativity
.
