វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Manganese
noun
1.
(FRENCH)
(A
hard
brittle
gray
metal
or
its
black
oxide
)
ម៉ង់ហ្គាណែហ្ស
ENGLISH MEANING
noun
1.
An
element
obtained
by
reduction
of
its
oxide
, as a
hard
,
grayish
white
metal
,
fusible
with
difficulty
,
but
easily
oxidized
.
Its
ores
occur
abundantly
in
nature
as the
minerals
pyrolusite
,
manganite
,
etc
.
Symbol
Mn.
Atomic
weight
54.8.