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Definition of: naphthalene
(naf′thə·lēn, nap′-) noun Chem.
A white, solid, aromatic hydrocarbon, C10 H 8, obtained from coal-tar distillates and crystallizing in white platelets: its derivatives are used in the making of dyestuffs: also called tar camphor. Also naph′tha·line (-lin, -lēn).
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