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Coal tar   Listen
noun
Coal tar  n.  A thick, black, tarry liquid, obtained by the distillation of bituminous coal in the manufacture of illuminating gas; used for making printer's ink, black varnish, etc. It is a complex mixture from which many substances have been obtained, especially hydrocarbons of the benzene or aromatic series. Note: Among its important ingredients are benzene, aniline, phenol, naphtalene, anthracene, etc., which are respectively typical of many dye stuffs, as the aniline dyes, the phthaleïns, indigo, alizarin, and many flavoring extracts whose artificial production is a matter of great commercial importance.






Collaborative International Dictionary of English 0.48








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"Coal tar" Quotes from Famous Books



... earth used for grapes in pots, vegetables and plants. A portion of the roof on the south side can be raised when it is desirable to harden off the plants in spring. The foundation is of wood, locust posts being used, with boards nailed upon both sides and coated with coal tar. The house is forty one feet long and sixteen feet wide, and is heated by a tank constructed as follows: brick piers are built three feet apart on which are laid common blue flag stones six feet long and two feet wide. The sides and divisions ...
— Woodward's Graperies and Horticultural Buildings • George E. Woodward

... In France, preparations of coal tar have been recommended and have been lately used in the form of a paint. May be that in this form the substance is not so apt to enter into combinations with the soil. At any rate, the method is of too recent a date to permit any conclusions about the final result ...
— Scientific American Supplement, No. 286 - June 25, 1881 • Various

... anxiety. The serpent came; as usual, forced his head and part of his body down the hatchway, perceived me, and with eyes darting fire reached out his head to seize me. I dashed the broom into his mouth, and bobbed my head immediately under the coal tar. When I lifted it up again, almost suffocated, the animal had disappeared. I crawled out, and looking over the side, perceived him lashing the ocean in his fury, plunging and diving to rid himself of the composition with which I had filled his mouth. After exhausting himself with his furious ...
— The Pacha of Many Tales • Frederick Marryat

... accordance with approved tree surgery practices. In shade tree work, quite a variety of substances have been used to fill cavities with more or less success; e. g., wood blocks and strips, asphalt and sawdust, asphalt and sand, clear coal tar, clear asphalt, elastic cement, magnesian cement, Roman (or Portland) cement, etc. Of these only two—wooden blocks and Portland cement, have been in general use more than a few years. Blocks of wood were ...
— Northern Nut Growers Association Report of the Proceedings at the Fifteenth Annual Meeting • Various



Words linked to "Coal tar" :   pitch



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