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trichloroethylene

American  
[trahy-klawr-oh-eth-uh-leen, -klohr-] / traɪˌklɔr oʊˈɛθ əˌlin, -ˌkloʊr- /

noun

Chemistry.
  1. a colorless, poisonous liquid, C 2 HCl 3 , used chiefly as a degreasing agent for metals and as a solvent, especially in dry cleaning, for fats, oils, and waxes. TCE


trichloroethylene British  
/ traɪˌklɔːrəʊˈɛθɪˌliːn /

noun

  1. a volatile nonflammable mobile colourless liquid with an odour resembling that of chloroform. It is a good solvent for certain organic materials and is also an inhalation anaesthetic. Formula CHCl:CCl 2

"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

trichloroethylene Scientific  
/ trī-klôr′ō-ĕthə-lēn′ /
  1. A heavy, colorless, toxic liquid. It is used to degrease metals, to extract oil from nuts and fruit, as a refrigerant, in dry cleaning, and as a fumigant. Chemical formula: C 2 HCl 3 .


Etymology

Origin of trichloroethylene

First recorded in 1915–20; tri- + chloro- 2 + ethylene

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Other government-funded research has established a link between autism and another solvent, trichloroethylene, also known as TCE, which has been used for dry cleaning, manufacturing and degreasing machines.

From Salon Aug. 21, 2025

Several years ago, the Borlands and a group o neighbors learned their water was polluted with trichloroethylene, or TCE, a solvent that was traced to a nearby business.

From Los Angeles Times Aug. 5, 2023

They reported that the solvent trichloroethylene, a mitochondrial toxin used in dry-cleaning and degreasing metal, ramped up LRRK2 enzyme activity and induced Parkinson-like pathology in the brains of older rats.

From Science Magazine May 4, 2023

One of those chemicals was trichloroethylene, or TCE, which was known as a miracle degreaser and was widely used at Fort Ord.

From Seattle Times Nov. 9, 2022

Human studies have linked exposure to the herbicide paraquat and the pesticide rotenone to Parkinson’s, as well as to the industrial solvent trichloroethylene.

From Washington Post Jul. 2, 2021

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