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invention
noun
a
new
device
,
idea
,
or
method
that
someone
creates
to
solve
a
problem
or
make
life
easier
•
The
telephone
is
an
invention
that
changed
the
world
.
The
telephone
is
an
invention
that
changed
the
world
.
•
Her
latest
invention
is
a
pen
that
can
translate
words
instantly
.
Her
latest
invention
is
a
pen
that
can
translate
words
instantly
.
noun
the
act
or
process
of
creating
something
new
•
Invention
often
starts
with
noticing
a
small
everyday
problem
.
Invention
often
starts
with
noticing
a
small
everyday
problem
.
•
The
age
of
steam
was
a
time
of
rapid
invention
.
The
age
of
steam
was
a
time
of
rapid
invention
.
noun
a
statement
,
story
,
or
idea
that
someone
makes
up
and
that
is
not
true
•
The
tale
about
the
ghost
was
pure
invention
.
The
tale
about
the
ghost
was
pure
invention
.
•
His
excuse
turned
out
to
be
an
invention
to
avoid
homework
.
His
excuse
turned
out
to
be
an
invention
to
avoid
homework
.
noun
in
classical
music
,
a
short
piece
for
keyboard
in
which
two
melodies
interweave
•
The
pianist
practiced
Bach's
first
invention
every
morning
.
The
pianist
practiced
Bach's
first
invention
every
morning
.
•
Writing
an
invention
requires
two
contrasting
melodies
.
Writing
an
invention
requires
two
contrasting
melodies
.