NAPHTHA • E-FREE TRANSLATION.COM • Definition of Naphtha

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/nˈæfθə/ Listen

noun

Naphtha n.

(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.

(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. Note: 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 (Old Chem.), common ethyl ether; formerly called sulphuric ether. See Ether.

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Etymology of 'Naphtha'

Collaborative International Dictionary of English 0.48

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"Naphtha" Quotes from Famous Books

... Salses, I fear the reader must be content, for the present, with a somewhat muddy explanation of the muddy mystery. Messrs. Wall and Sawkins are inclined to connect it with asphalt springs and pitch lakes. 'There is,' they say, 'easy gradation from the smaller Salses to the ordinary naphtha or petroleum springs.' It is certain that in the production of asphalt, carbonic acid, carburetted hydrogen, and water are given off. 'May not,' they ask, 'these orifices be the vents by which such ...

— At Last • Charles Kingsley

... the principal objection. Personally, I never saw any drunkenness; and there is so little real revelry that one turns one's back on the naphtha lamps in this town and that, in Leyden and the Hoorn, Apeldoorn and Middelburg, with the sad conviction that the times are out of joint, and that Teniers and Ostade and Brouwer, were they reborn to-day, would probably either have to take to painting Christmas supplements ...

— A Wanderer in Holland • E. V. Lucas

... square. Both the rim of the vessel and the approximating part of the cover require to be truly turned and smoothly finished. A very good packing is made of solid indiarubber core about half an inch thick. This is carefully spliced—cemented by means of a solution of rubber in naphtha, and the splice sewed by thick thread. The lid ought to have a rim fitting inside the vessel, for this keeps the rubber packing in place; the rim has been accidentally omitted in Fig. 85. The bolts should not be more than five ...

— On Laboratory Arts • Richard Threlfall

... and Britain. A Frenchman manufactured suspenders by cutting a native bottle into fine threads and running them through a narrow cloth web. And Macintosh, a chemist of Glasgow, inserted rubber treated with naphtha between thin pieces of cloth and evolved the garment ...

— The Age of Invention - A Chronicle of Mechanical Conquest, Book, 37 in The - Chronicles of America Series • Holland Thompson

... of naphtha rubbed with a small painter's brush into every part of the bedstead is a certain way of getting rid of bugs. The mattress and binding of the bed should be examined, and the same process attended to, as they generally harbor more in these ...

— The Handy Cyclopedia of Things Worth Knowing - A Manual of Ready Reference • Joseph Triemens

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