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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



... the damp cellar walls may not pass up into the above ground portion, which is naturally dry. These damp courses, in their simplest form, consist in bringing the masonry level around the building, and painting the top surface with liquid coal tar. ...
— Rural Hygiene • Henry N. Ogden

... Garrettsville, Ohio.—This invention consists of tiles saturated with raw coal tar, made in the same way as ordinary brick, having all the edges bevelled, being thicker at one end, and laid upon the roof with the thicker end towards the eaves, and the spaces between the tiles formed by the bevelled sides of the same filled with ...
— Scientific American, Vol. 17, No. 26 December 28, 1867 • Various

... whose projecting eaves form deep shady verandahs, surmounts walls of split bamboo, supported by raised platforms of tamped earth, windows being absent and chimneys unknown; the ceiling is painted like coal tar by oily soot, and two opposite doors make the home a passage through which no one hesitates to pass. The walls are garnished with weapons and nets, both skilfully made, and the furniture consists of cooking utensils and water-pots, mats for bedding, logs of wood ...
— Two Trips to Gorilla Land and the Cataracts of the Congo Volume 1 • Richard F. Burton

... are taken in hand, branches which can be spared, and whose removal is necessary to obtain a proper length of stem, are very smoothly cut off quite close to the trunk, and the exposed surface is IMMEDIATELY brushed over with mineral-coal tar. When thus treated, it is said that the healing of the wound is perfect, and without any decay of the tree. Trees trained by De Courval's method, which is now universally approved and much practised in France, ...
— The Earth as Modified by Human Action • George P. Marsh

... 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 ...
— Woodward's Graperies and Horticultural Buildings • George E. Woodward

... artificial flavorings are of two kinds: those having for their basis substances extracted from coal tar and those prepared by various chemical combinations. They are also known as synthetic flavors. With regard to both healthfulness and taste, they are not so desirable as the ...
— Woman's Institute Library of Cookery, Vol. 5 • Woman's Institute of Domestic Arts and Sciences



Words linked to "Coal tar" :   pitch



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