Definition of NAPHTHA

1. Noun. Any of various volatile flammable liquid hydrocarbon mixtures; used chiefly as solvents.


Definition of NAPHTHA

1. n. 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.

Definition of NAPHTHA

1. a volatile liquid [n -S]

Medical Definition of NAPHTHA

1. 1. 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. 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. This term was applied by the earlier chemical writers to a number of volatile, strong smelling, inflammable liquids, chiefly belonging to the ethers, as the sulphate, nitrate, or acetate of ethyl. Naphtha vitrioli [NL, naphtha of vitriol. Common ethyl ether; formerly called sulphuric ether. See Ether. Origin: L. Naphtha, Gr, fr.Ar. Nafth, nifth. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Naphtha

NapA phosphatase
nape
nape
nape-crest
Napea
naperies
napery
napes
napex
nape nevus
naphazoline
naphazoline
naphazoline hydrochloride
naphew
naphtha
naphtha
naphthacenes
naphthalate
naphthalene
naphthalene
naphthaleneacetic acids
naphthalenes
naphthalenes
naphthalenesulfonates
naphthalene acetic acid
naphthalene dioxygenase
naphthalene poisoning
naphthalenic
naphthalenol
naphthalic

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