Definify.com
Webster 1913 Edition
Naphthalene
Naph′tha-lene
,Noun.
(Chem.)
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
. Naphthalene red
(Chem.)
, a dyestuff obtained from certain diazo derivatives of naphthylamine, and called also
– magdala red
. Naphthalene yellow
(Chem.)
, a yellow dyestuff obtained from certain nitro derivatives of naphthol.