coal tar

noun

a thick, black, viscid liquid formed during the distillation of coal, that upon further distillation yields compounds, as benzene, anthracene, and phenol, from which are derived a large number of dyes, drugs, and other synthetic compounds, and that yields a final residuum (coal-tar pitch ), which is used chiefly in making pavements.

Origin of coal tar

First recorded in 1775–85

OTHER WORDS FROM coal tar

coal-tar, adjective

Words nearby coal tar

Coalport, coal pot, Coalsack, coal scuttle, coal seam, coal tar, coal-tar creosote, coal-tar pitch, coal tit, coaly, coaming

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for coal tar

Coal-tar may be used with advantage for painting and securing wood that is exposed to the action of air or water.
A Practical Treatise on Gas-light|Fredrick Accum
In coal-tar are all sorts of valuable drugs, dyes, and perfumes.
The Scrap Book, Volume 1, No. 3|Various
A demand for aniline on an increased scale sprung up, and the light oils of coal-tar became of still greater importance.
Coal|Raphael Meldola
As well might you ask why it would not do to make a plum-pudding out of nutmegs and coal-tar.
The Battery and the Boiler|R.M. Ballantyne

Leucol, lū′kol, n. an organic base obtained by the distillation of coal-tar.
Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)|Various

British Dictionary definitions for coal tar

coal tar

noun

a black tar, produced by the distillation of bituminous coal, that can be further distilled to yield benzene, toluene, xylene, anthracene, phenol, etc

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for coal tar

coal tar

[ kōl ]

n.

A viscous black liquid containing numerous organic compounds that is obtained by the destructive distillation of coal and that has many uses including as raw material for many dyes, drugs, and paints.

Scientific definitions for coal tar

coal tar

A thick, sticky, black liquid obtained through the destructive distillation (heating in the absence of air) of coal. It is used as a source of many organic compounds, such as benzene, naphthalene, and phenols, which are used in dyes, drugs, and other compounds.

单词	coal tar
释义	coal tar noun a thick, black, viscid liquid formed during the distillation of coal, that upon further distillation yields compounds, as benzene, anthracene, and phenol, from which are derived a large number of dyes, drugs, and other synthetic compounds, and that yields a final residuum (coal-tar pitch ), which is used chiefly in making pavements. Origin of coal tar First recorded in 1775–85 OTHER WORDS FROM coal tar coal-tar, adjective Words nearby coal tar Coalport, coal pot, Coalsack, coal scuttle, coal seam, coal tar, coal-tar creosote, coal-tar pitch, coal tit, coaly, coaming Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for coal tar Coal-tar may be used with advantage for painting and securing wood that is exposed to the action of air or water. A Practical Treatise on Gas-light\|Fredrick Accum In coal-tar are all sorts of valuable drugs, dyes, and perfumes. The Scrap Book, Volume 1, No. 3\|Various A demand for aniline on an increased scale sprung up, and the light oils of coal-tar became of still greater importance. Coal\|Raphael Meldola As well might you ask why it would not do to make a plum-pudding out of nutmegs and coal-tar. The Battery and the Boiler\|R.M. Ballantyne Leucol, lū′kol, n. an organic base obtained by the distillation of coal-tar. Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)\|Various British Dictionary definitions for coal tar coal tar noun a black tar, produced by the distillation of bituminous coal, that can be further distilled to yield benzene, toluene, xylene, anthracene, phenol, etc Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for coal tar coal tar [ kōl ] n. A viscous black liquid containing numerous organic compounds that is obtained by the destructive distillation of coal and that has many uses including as raw material for many dyes, drugs, and paints. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for coal tar coal tar A thick, sticky, black liquid obtained through the destructive distillation (heating in the absence of air) of coal. It is used as a source of many organic compounds, such as benzene, naphthalene, and phenols, which are used in dyes, drugs, and other compounds. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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