វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Metalloid
ENGLISH MEANING
noun
1.
Formerly
, the
metallic
base
of a
fixed
alkali
, or
alkaline
earth
; --
applied
by
Sir
H.
Davy
to
sodium
,
potassium
, and
some
other
metallic
substances
whose
metallic
character
was
supposed
to be not
well
defined
.
2.
Now
, one of
several
elementary
substances
which
in the
free
state
are
unlike
metals
, and
whose
compounds
possess
or
produce
acid
,
rather
than
basic
,
properties
; a
nonmetal
; as,
boron
,
carbon
,
phosphorus
,
nitrogen
,
oxygen
,
sulphur
,
chlorine
,
bromine
,
etc
., are metalloids.
adjective
1.
Having the
appearance
of a
metal
.
2.
Having the
properties
of a
nonmetal
;
nonmetallic
;
acid
;
negative
.