វគ្គជំនាញកុំព្យូទ័រ
ចំណេះដឹងទូទៅ
ម្ហូបអាហារ
កំប្លែង
ទស្សន៍ទាយ
small
medium
large
Naphthalene
ENGLISH MEANING
noun
1.
A
white
crystalline
aromatic
hydrocarbon
,
C10H8
,
analogous
to
benzene
, and
obtained
by the
distillation
of
certain
bituminous
materials
,
such
as the
heavy
oil
of
coal
tar
. It is the
type
and
basis
of a
large
number
of
derivatives
among
organic
compounds
.
Formerly
called
also
naphthaline
.