trichloroacetic acid

noun
tri·​chlo·​ro·​ace·​tic acid | \ ˌtrī-ˌklȯr-ō-ə-ˈsē-tik- How to pronounce trichloroacetic acid (audio) \
variants: or less commonly trichloracetic acid \ ˌtrī-​ˌklȯr-​ə-​ˈsē-​tik-​ How to pronounce trichloroacetic acid (audio) \

Definition of trichloroacetic acid

: a strong vesicant pungent acid C2Cl3HO2 used in weed control and in medicine as a caustic and astringent

Examples of trichloroacetic acid in a Sentence

Recent Examples on the Web Jessner, which unclogs pores with equal parts salicylic acid, lactic acid, and resorcinol, an antiseptic exfoliant, and trichloroacetic acid (TCA), which helps brighten dull skin, are the most popular options. Kaitlin Clark, Allure, 1 Nov. 2021 Medium depth peels are most commonly performed with glycolic acid, trichloroacetic acid (TCA), or Jessner’s solution, which is a mixture of lactic acid, salicylic acid, and an antiseptic exfoliant. Julie Ricevuto, Allure, 19 Nov. 2020 For up to medium-depth spot removal, chemical peels including trichloroacetic acid (TCA) or glycolic acid superficially injure the skin to provoke a wound-healing response that expels dark pigment. Mackenzie Wagoner, Vogue, 2 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trichloroacetic acid.' 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 trichloroacetic acid

1885, in the meaning defined above

History and Etymology for trichloroacetic acid

International Scientific Vocabulary

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Time Traveler for trichloroacetic acid

Time Traveler

The first known use of trichloroacetic acid was in 1885

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Dictionary Entries Near trichloroacetic acid

trichloride

trichloroacetic acid

trichloroethylene

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Statistics for trichloroacetic acid

Cite this Entry

“Trichloroacetic acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trichloroacetic%20acid. Accessed 22 Jan. 2022.

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More Definitions for trichloroacetic acid

trichloroacetic acid

noun
tri·​chlo·​ro·​ace·​tic acid | \ ˌtrī-ˌklōr-ō-ə-ˌsēt-ik-, -ˌklȯr- How to pronounce trichloroacetic acid (audio) \
variants: also trichloracetic acid \ -​ˌklōr-​ə-​ˌsēt-​ik-​ How to pronounce trichloroacetic acid (audio) \

Medical Definition of trichloroacetic acid

: a strong vesicant pungent acid C2Cl3HO2 made usually by chlorinating acetic acid or by oxidizing chloral and used in medicine as a caustic and astringent — compare monochloroacetic acid

More from Merriam-Webster on trichloroacetic acid

Britannica.com: Encyclopedia article about trichloroacetic acid

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