trichloroethylene

noun

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But the base also left behind trichloroethylene, or TCE, a cancer-causing solvent used to clean missile oxygen systems. Sean Campbell, Sacbee.com, 14 June 2025 The site is contaminated by trichloroethylene, known as TCE, a solvent that can cause cancer and non-Hodgkin lymphoma and is banned in the United States. Hilary Whiteman, CNN Money, 6 June 2025 And last week, the EPA asked a federal appeals court to further delay the ban until the end of May. TCE, short for trichloroethylene, is one of five toxic substances for which full or partial bans put in place by the EPA under President Joe Biden are now under threat. Sharon Lerner, ProPublica, 26 Mar. 2025 Other pollutants that alarmed the EWG researchers were volatile organic compounds, like trichloroethylene (TCE), nitrates, heavy metals like arsenic and disinfection byproducts. Sharon Udasin, The Hill, 26 Feb. 2025 See All Example Sentences for trichloroethylene

Word History

First Known Use

circa 1919, in the meaning defined above

Time Traveler
The first known use of trichloroethylene was circa 1919

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Cite this Entry

“Trichloroethylene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trichloroethylene. Accessed 9 Jul. 2025.

Medical Definition

trichloroethylene

noun
tri·​chlo·​ro·​eth·​y·​lene
variants also trichlorethylene
: a nonflammable liquid C2HCl3 used as a solvent and in medicine as an anesthetic and analgesic
abbreviation TCE

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