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Na"pha wa`ter (?). [Sp. nafa, from Ar.
napha odor.] A perfume distilled from orange
flowers.

Na"phew (?), n. (Bot.) See
Navew.

Naph"tha (?), n. [L. naphtha,
Gr. &?;&?;&?;&?;&?;, fr.Ar. nafth, nifth.]
1. (Chem.) The complex mixture of
volatile, liquid, inflammable hydrocarbons, occurring naturally, and
usually called crude petroleum, mineral oil, or rock
oil. Specifically: That portion of the distillate obtained in the
refinement of petroleum which is intermediate between the lighter
gasoline and the heavier benzine, and has a specific gravity of about
0.7, -- used as a solvent for varnishes, as a carburetant,
illuminant, etc.

2. (Chem.) One of several volatile
inflammable liquids obtained by the distillation of certain
carbonaceous materials and resembling the naphtha from petroleum; as,
Boghead naphtha, from Boghead coal (obtained at
Boghead, Scotland); crude naphtha, or light oil,
from coal tar; wood naphtha, from wood, etc.


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