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xylene

[zahy-leen] /ˈzaɪ lin/
noun, Chemistry.
1.
any of three oily, colorless, water-insoluble, flammable, toxic, isomeric liquids, C 8 H 10 , of the benzene series, obtained mostly from coal tar: used chiefly in the manufacture of dyes.
Also, xylol [zahy-lawl, -lol] /ˈzaɪ lɔl, -lɒl/ (Show IPA).
Also called dimethylbenzene.
Origin of xylene
1850-1855
1850-55; < Greek xýl(on) wood + -ene
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for xylene
Historical Examples
  • So is xylene, a chemical which will readily clean grease and fatty matter from the fingers.

    The Science of Fingerprints Federal Bureau of Investigation
  • The fingers should be wiped very lightly with either soap and water or xylene, always following the ridge contours.

    The Science of Fingerprints Federal Bureau of Investigation
  • If the substance dries too fast to permit proper photographing, the skin should be photographed while immersed in the xylene.

    The Science of Fingerprints Federal Bureau of Investigation
  • The fingers are then placed in xylene for about an hour or until the xylene has overcome the reaction of the acetone.

    The Science of Fingerprints Federal Bureau of Investigation
  • After removal from the xylene the fingers should be placed on a blotter until the surface of the fingers appears dry.

    The Science of Fingerprints Federal Bureau of Investigation
  • The same piece of skin when soaked in xylene will show a marked contrast, which it loses on drying.

    The Science of Fingerprints Federal Bureau of Investigation
  • The fumes given off by acetone, benzine, xylene, and formaldehyde are toxic and may cause sickness.

    The Science of Fingerprints Federal Bureau of Investigation
  • Apart from the softening point the pitch is all the more valued the more constituents it contains which are soluble in xylene.

British Dictionary definitions for xylene

xylene

/ˈzaɪliːn/
noun
1.
an aromatic hydrocarbon existing in three isomeric forms, all three being colourless flammable volatile liquids used as solvents and in the manufacture of synthetic resins, dyes, and insecticides; dimethylbenzene. Formula: C6H4(CH3)2 Also called xylol
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
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Word Origin and History for xylene
n.

1851, from Greek xylon "wood," which is of unknown origin, + -ene.

Online Etymology Dictionary, © 2010 Douglas Harper
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xylene in Science
xylene (zī-lēn', zī'lēn') also xylol
  (zī-lēn', zī'lēn')   
  1. A flammable hydrocarbon obtained from wood and coal tar. Xylene consists of a benzene ring with two methyl (CH3) groups attached, and occurs in three isomeric forms. It is used as a solvent, in jet fuel, and in the manufacture of dyes, fibers, perfumes, and films. Chemical formula: C8H10.

  2. A mixture of xylene isomers used as a solvent in making lacquers and rubber cement and as an aviation fuel.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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