thimerosal

noun

thi·​mer·​o·​sal thī-ˈmer-ə-ˌsal How to pronounce thimerosal (audio)
: a crystalline organic mercurial antiseptic C9H9HgNaO2S used especially for its antifungal and bacteriostatic properties

Examples of thimerosal 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.
Weldon has accused the CDC of colluding with the pharmaceutical industry to minimize liability and downplay the risks of thimerosal in vaccines. A.j. Russo, Baltimore Sun, 13 Jan. 2025 The study pinpointed thimerosal, a mercury-containing preservative in the vaccine, as the allegedly dangerous component. Lauren Leffer, Popular Science, 27 Nov. 2024 During his tenure, Weldon promoted the false idea that thimerosal, a mercury-containing vaccine preservative, caused a spike in autism cases. The Hill, 25 Nov. 2024 Correction, December 10, 1:30 pm ET: The origin of Kennedy’s thoughts about thimerosal was misstated in a previous version of this post. Keren Landman, Vox, 10 Dec. 2024 See all Example Sentences for thimerosal 

Word History

Etymology

probably from thi- + mercury + -o- + salicylate

First Known Use

1949, in the meaning defined above

Time Traveler
The first known use of thimerosal was in 1949

Dictionary Entries Near thimerosal

Cite this Entry

“Thimerosal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thimerosal. Accessed 22 Jan. 2025.

Medical Definition

thimerosal

noun
thi·​mer·​o·​sal thī-ˈmer-ə-ˌsal How to pronounce thimerosal (audio)
: a crystalline organic mercurial antiseptic C9H9HgNaO2S used especially for its antifungal and bacteriostatic properties see merthiolate

More from Merriam-Webster on thimerosal

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