tri·​chlo·​ro·​eth·​y·​lene ˌtrī-ˌklȯr-ō-ˈe-thə-ˌlēn How to pronounce trichloroethylene (audio)
: a nonflammable toxic liquid C2HCl3 used especially as an industrial solvent

Examples of trichloroethylene in a Sentence

Recent Examples on the Web One of the primary contaminants is trichloroethylene, or TCE, formerly used as a general-purpose solvent and degreaser. Sarah Lapidus, USA TODAY, 12 June 2024 One of the primary contaminants is trichloroethylene, or TCE, which was formerly used as a general-purpose solvent and degreaser. Sarah Lapidus, The Arizona Republic, 11 June 2024 Other toxic chemicals including benzene and trichloroethylene also exceeded state health standards in the soil. Tony Briscoe, Los Angeles Times, 22 Apr. 2024 The 2016 law authorized new rules for tens of thousands of toxic chemicals found in everyday products, including substances such as asbestos and trichloroethylene that for decades have been known to cause cancer yet were largely unregulated under federal law. Matthew Daly, Quartz, 18 Mar. 2024 Plants convert carbon dioxide into oxygen, and according to a 1989 NASA study, certain houseplants can reduce toxic chemicals like formaldehyde, benzene and trichloroethylene. Chad Murphy, The Enquirer, 13 Mar. 2024 Between 1953 and 1987, the base's water supply was contaminated with volatile organic compounds (VOCs), such as perchloroethylene (PCE) and trichloroethylene (TCE), exceeding safe limits by up to 3,400 times. Jeremy Yurow, USA TODAY, 8 Jan. 2024 But victims are still waiting for closure Drinking water at Camp Lejeune was heavily contaminated with a number of cancer-causing industrial chemicals, including trichloroethylene or TCE, vinyl chloride and benzene, from 1953 to 1985. Brenda Goodman, CNN, 31 Jan. 2024 Those issues include lead in local drinking water, tailpipe emissions in trucks and contamination from trichloroethylene and polyfluorinated substances that are now ubiquitous in humans and animals, Mr. Bapna said. Ralph Vartabedian, New York Times, 8 Nov. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'trichloroethylene.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1919, in the meaning defined above

Time Traveler
The first known use of trichloroethylene was circa 1919

Dictionary Entries Near trichloroethylene

Cite this Entry

“Trichloroethylene.” Dictionary, Merriam-Webster, Accessed 19 Jul. 2024.

Medical Definition


variants also trichlorethylene
: a nonflammable liquid C2HCl3 used as a solvent and in medicine as an anesthetic and analgesic
abbreviation TCE

More from Merriam-Webster on trichloroethylene

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