\tˈɑː], \tˈɑː], \t_ˈɑː]\
Definitions of TAR
- 2006 - WordNet 3.0
- 2011 - English Dictionary Database
- 2010 - New Age Dictionary Database
- 1913 - Webster's Revised Unabridged Dictionary
- 1919 - The Winston Simplified Dictionary
- 1920 - A practical medical dictionary.
- 1898 - Warner's pocket medical dictionary of today.
- 1899 - The american dictionary of the english language.
- 1894 - The Clarendon dictionary
- 1919 - The Concise Standard Dictionary of the English Language
- 1914 - Nuttall's Standard dictionary of the English language
- 1874 - Etymological and pronouncing dictionary of the English language
- 1898 - American pocket medical dictionary
- 1916 - Appleton's medical dictionary
- 1871 - The Cabinet Dictionary of the English Language
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By Princeton University
By DataStellar Co., Ltd
By Oddity Software
By Noah Webster.
By William Dodge Lewis, Edgar Arthur Singer
By Stedman, Thomas Lathrop
A thick, dark-colored, viscid product obtained by the destructive distillation of organic substances and bituminous minerals, as wood, coal, peat, shale, etc. Wood-tar, such as the Archangel, Stockholm, and American tars of commerce, is generally prepared by a very rude process. A conical cavity is dug in the ground, with a cast-iron pan at the bottom, from which leads a funnel. Billets of wood (such as pine or fir) are thrown into this cavity, and being covered with turf are slowly burned without flame. The tar which exudes during combustion is conducted off through the funnel. In England wood-tar is chiefly obtained as a by-product in the destructive distillation of wood for the manufacture of wood-vinegar (pyroligneous acid) and wood-spirit (methyl alcohol). It has an acid reaction, and contains various liquid matters of which the principal are methyl-acetate, acetone, hydrocarbons of the benzene series, and a number of oxidized compounds, as carbolic acid. Paraffin, anthracene, naphthalene, chrysene, etc., are found among its solid products. It possesses valuable antiseptic properties, owing to the creasote it contains, and is used extensively for coating and preserving timber and iron in exposed situations, and for impregnating ships’ ropes and cordage. Coal-tar is also extensively obtained in the process of gas manufacture. It is a very valuable substance, in as much as the compounds obtained from it form the starting-points in so many chemical manufactures: a sailor is called a tar from his tarred clothes, hands, etc. "Hearts of oak are our ships, jolly tars are our men."-Sea song.
By Daniel Lyons
By William Hand Browne, Samuel Stehman Haldeman
By James Champlin Fernald
By Nuttall, P.Austin.
By Stormonth, James, Phelp, P. H.
By Willam Alexander Newman Dorland
Of the U. S. Ph. and Br. Ph., a product obtained by the destructive distillation of the wood of different species of pine. On distillation it yields oil of t. and an acid liquid (impure pyroligneous acid), the residue being pitch. T. yields a small proportion of its constituents, especially pyrocatechin, to water, imparting to it an acid reaction and a peculiar taste. It is readily soluble in alcohol, in ether, and in solutions of the caustic alkalis. In medicinal properties it resembles the turpentines, but is much less irritant.
By Smith Ely Jelliffe
n. [Anglo-Saxon, Icelandic, German] A thick, impure, resinous substance of a dark colour, obtained from pine and fir-trees by burning the wood with a close, smothering heat or by distillation ; -a similar substance obtained from pit coal ; coal tar ;-a bituminous substance found native in coal seams; mineral tar;-a sailor-so called from his tarred clothes.