វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
puffs
is a form of:
Manganite
ENGLISH MEANING
noun
1.
One of the
oxides
of
manganese
; --
called
also
gray
manganese
ore
. It
occurs
in
brilliant
steel-gray
or
iron-black
crystals
,
also
massive
.
2.
A
compound
of
manganese
dioxide
with a
metallic
oxide
; so
called
as
though
derived
from the
hypothetical
manganous
acid
.