tri·​chlo·​ro·​eth·​y·​lene | \ ˌtrī-ˌklȯr-ō-ˈe-thə-ˌlēn How to pronounce trichloroethylene (audio) \

Definition of trichloroethylene

: a nonflammable toxic liquid C2HCl3 used especially as an industrial solvent

Examples of trichloroethylene in a Sentence

Recent Examples on the Web For years, industries from factories to dry cleaners dumped solvents around their plants and left the groundwater polluted with harmful chemicals including trichloroethylene (TCE) and tetrachloroethylene (PCE). Ian James, azcentral, "Arizona awaits EPA decision on adding toxic Phoenix site to Superfund list," 14 May 2020 In March, the company paid $7 million in penalty fees because of another form of pollution — the solvent trichloroethylene, or TCE. Bob Shaw, Twin Cities, "Water Gremlin’s lead-dust pollution keeps it closed for another day," 31 Oct. 2019 So far, preliminary test results show no evidence of trichloroethylene, or TCE, in the air. Jill Tucker,, "McClymonds high school in Oakland will stay shut another week as air testing continues," 26 Feb. 2020 In March, officials said Water Gremlin had illegally released tons of the solvent TCE, or trichloroethylene, over a 17-year period. Bob Shaw, Twin Cities, "Officials hit Water Gremlin — again — with new round of pollution charges," 6 Nov. 2019 The chemicals stored at the plant included cyanide, chromium, nickel, chloride, trichloroethylene, and various acids and bases that were used as part of the plating process. Steve Pepple, Detroit Free Press, "Gov. Whitmer says her office reviewing criminal charges against 'green ooze' polluter," 30 Dec. 2019 The operation was shut down in May 2002, and hazardous substances were found at the site, including perchloroethylene, trichloroethylene, 1,2-dichloroethylene and vinyl chloride, chemicals which can cause cancer in humans. Paul Wedding, Houston Chronicle, "Could northwest Houston superfund be affected by flooding?," 25 Nov. 2019 The team was dispatched to the business at 82 South St. and was able to contain the trichloroethylene spill, Mieth said. Shannon Larson,, "Chemical spill in Hopkinton sends 5 to hospital," 22 Nov. 2019 In the 1980s, trichloroethylene, a common degreasing solvent and suspected carcinogen, was found in the wells. Deanna Weniger, Twin Cities, "New Brighton city manager takes position in Eureka, Calif.," 11 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trichloroethylene.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of trichloroethylene

circa 1919, in the meaning defined above

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The first known use of trichloroethylene was circa 1919

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Cite this Entry

“Trichloroethylene.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2020.

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More Definitions for trichloroethylene


variants: also trichlorethylene \ -​ˈeth-​ə-​ˌlēn How to pronounce trichlorethylene (audio) \

Medical Definition of trichloroethylene

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

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