វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Ion
noun
1.
(បច្ចេកវិទ្យានិងវិទ្យាសាស្ត្រ)
(
atom
or
group
of
atoms
that
has an
electric
charge
caused
by the
gain
or
loss
of
electrons
)
អ៊ីយ៉ុង
ឃ្លាដែលទាក់ទង
blood ion
-
អ៊ីយ៉ុងឈាម
exchange-able ion
-
អ៊ីយ៉ុងបណ្តូរ
ENGLISH MEANING
noun
1.
One of the
elements
which
appear
at the
respective
poles
when
a
body
is
subjected
to
electro-chemical
decomposition
. Cf.
Anion
,
Cation
.
2.
One of the
electrified
particles
into
which
,
according
to the
electrolytic
dissociation
theory
, the
molecules
of
electrolytes
are
divided
by
water
and
other
solvents
. An ion
consists
of one or
more
atoms
and
carries
a
unit
charge
of
electricity
, 3.4 x
10-10
electrostatic
units
, or a
multiple
of
this
.
Those
which
are
positively
electrified
(
hydrogen
and the
metals
) are
called
cations
;
negative
ions (
hydroxyl
and
acidic
atoms
or
groups
) are
called
anions
.
3.
One of the
small
electrified
particles
into
which
the
molecules
of a
gas
are
broken
up
under
the
action
of the
electric
current
, of
ultraviolet
and
certain
other
rays
, and of
high
temperatures
. To the
properties
and
behavior
of ions the
phenomena
of the
electric
discharge
through
rarefied
gases
and
many
other
important
effects
are
ascribed
. At
low
pressures
the
negative
ions
appear
to be
electrons
; the
positive
ions,
atoms
minus
an
electron
. At
ordinary
pressures
each
ion
seems
to
include
also
a
number
of
attached
molecules
. Ions
may
be
formed
in a
gas
in
various
ways
.