an oily liquid having a burning taste and a penetrating odor, obtained by the distillation of coal and wood tar, used mainly as a preservative for wood and as an antiseptic.
verb (used with object), creosoted, creosoting.
to treat with creosote.

< German Kreosote (1832) < Greek kreo-, combining form of kréas flesh + sōtēr savior, preserver (in reference to its antiseptic properties)

creosotic [kree-uh-sot-ik] , adjective
uncreosoted, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
creosote (ˈkrɪəˌsəʊt)
1.  a colourless or pale yellow liquid mixture with a burning taste and penetrating odour distilled from wood tar, esp from beechwood, contains creosol and other phenols, and is used as an antiseptic
2.  Also called: coal-tar creosote a thick dark liquid mixture prepared from coal tar, containing phenols: used as a preservative for wood
3.  to treat (wood) with creosote
[C19: from Greek kreas flesh + sōtēr preserver, from sōzein to keep safe]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1835, from Ger. kreosot, coined 1832 by its discoverer, German-born natural philosopher Carl Ludwig, Baron Reichenbach (17881869) from Gk. kreo-, comb. form of kreas "flesh" + soter "preserver," from soizein "save, preserve." So called because it was used as an antiseptic.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
creosote   (krē'ə-sōt')  Pronunciation Key 
  1. A yellow or brown oily liquid obtained from coal tar and used as a wood preservative and disinfectant.

  2. A colorless to yellowish oily liquid containing phenols, obtained by the destructive distillation of wood tar, especially from the wood of a beech, and formerly used as an expectorant in treating chronic bronchitis.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Creosote and juniper sweeten the aroma of desert rainfall.
Franken suggested runoff from a nearby creosote plant.
It begins at the park's midsection, sweeping east across empty basins stubbled
  with creosote bushes.
Creosote is the name used for a variety of products that are mixtures of many
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