វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
តូច
មធ្យម
ធំ
Bitumen
noun
1.
(
any
of
various
natural
substances
,
etc
.,
consisting
mainly
of
hydrocarbons
)
ឈ្មោះប្រេងម៉្យាងឬកៅស៊ូក្រាលថ្នល់
ENGLISH MEANING
noun
1.
Mineral
pitch
; a
black
,
tarry
substance
,
burning
with a
bright
flame
; Jew's
pitch
. It
occurs
as an
abundant
natural
product
in
many
places
, as on the
shores
of the
Dead
and
Caspian
Seas
. It is
used
in
cements
, in the
construction
of
pavements
,
etc
.
2.
By
extension
,
any
one of the
natural
hydrocarbons
,
including
the
hard
,
solid
,
brittle
varieties
called
asphalt
, the
semisolid
maltha
and
mineral
tars
, the
oily
petroleums
, and
even
the
light
,
volatile
naphthas
.