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demonstration
noun
the
act
of
clearly
showing
or
explaining
how
something
works
or
how
to
do
something
•
The
science
teacher
gave
a
demonstration
of
the
volcano
experiment
,
and
the
students
cheered
when
it
erupted
.
The
science
teacher
gave
a
demonstration
of
the
volcano
experiment
,
and
the
students
cheered
when
it
erupted
.
•
Before
using
the
new
coffeemaker
,
Marco
watched
an
online
demonstration
to
understand
all
the
buttons
.
Before
using
the
new
coffeemaker
,
Marco
watched
an
online
demonstration
to
understand
all
the
buttons
.
Late
15th
century
,
from
Latin
demonstratio
“
pointing
out
,
proof
”,
from
demonstrare
“
to
point
out
,
show
”.
noun
a
public
gathering
of
people
marching
or
standing
together
to
show
their
support
for
or
protest
against
something
•
Thousands
joined
the
peaceful
demonstration
calling
for
cleaner
air
in
the
city
center
.
Thousands
joined
the
peaceful
demonstration
calling
for
cleaner
air
in
the
city
center
.
•
Police
redirected
traffic
to
make
space
for
the
demonstration
outside
the
parliament
building
.
Police
redirected
traffic
to
make
space
for
the
demonstration
outside
the
parliament
building
.
Same
Latin
origin
as
sense
1
;
political
use
emerged
in
the
19th
century
to
describe
public
shows
of
opinion
.
noun
something
that
clearly
proves
a
fact
or
shows
that
a
statement
is
true
•
Her
quick
recovery
was
a
strong
demonstration
of
the
benefits
of
regular
exercise
.
Her
quick
recovery
was
a
strong
demonstration
of
the
benefits
of
regular
exercise
.
•
The
experiment
provided
clear
demonstration
that
plants
grow
faster
under
blue
light
.
The
experiment
provided
clear
demonstration
that
plants
grow
faster
under
blue
light
.
From
Latin
demonstratio
“
proof
”,
emphasizing
the
idea
of
showing
something
to
be
true
.
