វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Undulation
ENGLISH MEANING
noun
1.
A
wavy
appearance
or
outline
;
waviness
.
2.
The
act
of
undulating
; a
waving
motion
or
vibration
; as, the undulations of a
fluid
, of
water
, or of
air
; the undulations of
sound
.
3.
The
tremulous
tone
produced
by a
peculiar
pressure
of the
finger
on a
string
, as of a
violin
.
4.
The
pulsation
caused
by the
vibrating
together
of two
tones
not
quite
in
unison
; --
called
also
beat
.
5.
A
motion
to and
fro
, up and
down
, or from
side
to
side
, in
any
fluid
or
elastic
medium
,
propagated
continuously
among
its
particles
,
but
with no
translation
of the
particles
themselves
in the
direction
of the
propagation
of the
wave
; a
wave
motion
; a
vibration
.