វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Glucinum
ENGLISH MEANING
noun
1.
A
rare
metallic
element
, of a
silver
white
color
, and
low
specific
gravity
(2.1),
resembling
magnesium
. It
never
occurs
naturally
in the
free
state
,
but
is
always
combined
,
usually
with
silica
or
alumina
, or
both
; as in the
minerals
phenacite
,
chrysoberyl
,
beryl
or
emerald
,
euclase
, and
danalite
. It was
named
from
its
oxide
glucina
,
which
was
known
long
before
the
element
was
isolated
.
Symbol
Gl.
Atomic
weight
9.1.
Called
also
beryllium
.