វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Phonograph
ENGLISH MEANING
noun
1.
A
character
or
symbol
used
to
represent
a
sound
,
esp
. one
used
in
phonography
.
2.
An
instrument
for the
mechanical
registration
and
reproduction
of
audible
sounds
, as
articulate
speech
,
etc
. It
consists
of a
rotating
cylinder
or
disk
covered
with
some
material
easily
indented
, as
tinfoil
,
wax
,
paraffin
,
etc
.,
above
which
is a
thin
plate
carrying
a
stylus
. As the
plate
vibrates
under
the
influence
of a
sound
, the
stylus
makes
minute
indentations
or
undulations
in the
soft
material
, and
these
,
when
the
cylinder
or
disk
is
again
turned
,
set
the
plate
in
vibration
, and
reproduce
the
sound
.