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idea
noun
a
thought
or
concept
that
comes
into
your
mind
•
A
new
idea
popped
into
Mia's
head
while
she
was
drawing
.
A
new
idea
popped
into
Mia's
head
while
she
was
drawing
.
•
The
teacher
asked
each
student
to
share
one
idea
for
the
project
.
The
teacher
asked
each
student
to
share
one
idea
for
the
project
.
from
Greek
‘
idéa
’
meaning
‘
form
,
pattern
,
notion
’
noun
a
plan
or
suggestion
about
what
to
do
•
“
Why
don
’
t
we
order
pizza
?
That
’
s
a
great
idea
!”
“
Why
don
’
t
we
order
pizza
?
That
’
s
a
great
idea
!”
•
Julia
had
the
idea
to
meet
at
sunrise
to
avoid
the
crowds
.
Julia
had
the
idea
to
meet
at
sunrise
to
avoid
the
crowds
.
noun
knowledge
or
understanding
about
something
•
Do
you
have
any
idea
how
heavy
this
box
is
?
Do
you
have
any
idea
how
heavy
this
box
is
?
•
I
had
no
idea
that
you
were
in
town
.
I
had
no
idea
that
you
were
in
town
.
noun
the
main
purpose
or
meaning
behind
something
•
The
idea
behind
the
campaign
is
to
encourage
recycling
.
The
idea
behind
the
campaign
is
to
encourage
recycling
.
•
He
explained
the
idea
of
freedom
in
his
speech
.
He
explained
the
idea
of
freedom
in
his
speech
.
ideal
adjective
as
good
or
suitable
as
something
can
possibly
be
•
This
spot
near
the
window
is
ideal
for
reading
on
a
sunny
afternoon
.
This
spot
near
the
window
is
ideal
for
reading
on
a
sunny
afternoon
.
•
The
weather
today
is
ideal
for
a
picnic
in
the
park
.
The
weather
today
is
ideal
for
a
picnic
in
the
park
.
adjective
perfect
only
in
theory
or
imagination
and
not
always
found
in
reality
•
She
described
her
ideal
home
,
a
cottage
by
the
sea
with
a
big
garden
.
She
described
her
ideal
home
,
a
cottage
by
the
sea
with
a
big
garden
.
•
In
an
ideal
world
,
everyone
would
have
access
to
clean
water
.
In
an
ideal
world
,
everyone
would
have
access
to
clean
water
.
noun
a
principle
,
goal
,
or
standard
of
perfection
that
someone
tries
to
achieve
•
Honesty
is
an
ideal
he
refuses
to
compromise
.
Honesty
is
an
ideal
he
refuses
to
compromise
.
•
The
organization
was
founded
on
the
ideal
of
equal
opportunity
.
The
organization
was
founded
on
the
ideal
of
equal
opportunity
.
noun
in
mathematics
,
a
special
subset
of
an
algebraic
ring
that
is
closed
under
addition
and
under
multiplication
by
any
element
of
that
ring
•
In
the
ring
of
integers
,
the
even
numbers
form
an
ideal
.
In
the
ring
of
integers
,
the
even
numbers
form
an
ideal
.
•
The
professor
explained
how
every
prime
number
generates
a
unique
ideal
.
The
professor
explained
how
every
prime
number
generates
a
unique
ideal
.
