វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Graphite
Same as:
plumbago
noun
1.
(
black
soft
form
of
carbon
. Graphite is
used
in
lead
pencils
)
ធ្យូងថ្មម្យ៉ាងផុយ (ប្រើធ្វើខ្មៅដៃ)
ENGLISH MEANING
noun
1.
Native
carbon
in
hexagonal
crystals
,
also
foliated
or
granular
massive
, of
black
color
and
metallic
luster
, and so
soft
as to
leave
a
trace
on
paper
. It is
used
for
pencils
(
improperly
called
lead
pencils
), for
crucibles
, and as a
lubricator
,
etc
.
Often
called
plumbago
or
black
lead
.