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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.

Definition 2024


naphthalene

naphthalene

English

Noun

naphthalene (usually uncountable, plural naphthalenes)

  1. A white crystalline hydrocarbon manufactured from coal tar; used in mothballs.
  2. (organic chemistry) An aromatic bicyclic hydrocarbon, C10H8; an acene containing two fused benzene rings.

Derived terms

  • naphthalene red
  • naphthalene yellow

Translations