វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
small
medium
large
Anthracite
ENGLISH MEANING
noun
1.
A
hard
,
compact
variety
of
mineral
coal
, of
high
luster
,
differing
from
bituminous
coal
in
containing
little
or no
bitumen
, in
consequence
of
which
it
burns
with a
nearly
non
luminous
flame
. The
purer
specimens
consist
almost
wholly
of
carbon
.
Also
called
glance
coal
and
blind
coal
.