tetrachloroethylene

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tetrachloroethylene

[te-truh-klawr-oh-eth-uh-leen, -klohr-]
noun Chemistry.
a colorless, nonflammable, nonexplosive liquid, C 2 Cl 4 , used as a solvent, especially in dry cleaning.
Also called perchloroethylene.


Origin:
1910–15; tetra- + chloroethylene

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
tetrachloroethylene   (tět'rə-klôr'ō-ěth'ə-lēn')  Pronunciation Key 
A colorless, nonflammable organic liquid used in dry-cleaning solutions, as an industrial solvent, and as an agent for expelling or destroying parasitic intestinal worms. Also called perchloroethylene. Chemical formula: C2Cl4.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

tetrachloroethylene

a colourless, dense, nonflammable, highly stable liquid belonging to the family of organic halogen compounds. Tetrachloroethylene is a powerful solvent for many organic substances. By the mid-20th century it had become the most widely used solvent in dry cleaning (displacing carbon tetrachloride and trichloroethylene) and was also commonly used for cleaning metal objects in vapour-degreasing apparatuses. Its broad acceptance has been based upon its nonflammability and low toxicity. Small quantities are also employed as a vermifuge, particularly against hookworm (see ).

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
Tetrachloroethylene is used mainly as a solvent for dry cleaning and metal degreasing.
Ground water samples collected found tetrachloroethylene and trichloroethylene, solvents used in industrial processes.
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