thimerosal
noun
thi·mer·o·sal
thī-ˈmer-ə-ˌsal 
: a crystalline organic mercurial antiseptic C9H9HgNaO2S used especially for its antifungal and bacteriostatic properties
Examples of thimerosal in a Sentence
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The discussion was added to ACIP’s agenda at the last minute, but more alarming was that thimerosal was being discussed at all.
—
Lisa Jarvis, Mercury News, 5 July 2025
Doctors have voiced concern that no longer recommending thimerosal in some flu shots could lead to less people getting vaccinated and fuel further distrust of vaccines.
—Mary Kekatos, ABC News, 26 June 2025
While it's used in some multi-dose vials in several products, there are no vaccines on the pediatric vaccine schedule that contain thimerosal.
—Pien Huang, NPR, 26 June 2025
The mercury in thimerosal is quickly and easily cleared by the body.
—Tara Haelle, Scientific American, 25 June 2025
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Lisa Jarvis, Mercury News, 5 July 2025
Doctors have voiced concern that no longer recommending thimerosal in some flu shots could lead to less people getting vaccinated and fuel further distrust of vaccines.
—Mary Kekatos, ABC News, 26 June 2025
While it's used in some multi-dose vials in several products, there are no vaccines on the pediatric vaccine schedule that contain thimerosal.
—Pien Huang, NPR, 26 June 2025
The mercury in thimerosal is quickly and easily cleared by the body.
—Tara Haelle, Scientific American, 25 June 2025
See All Example Sentences for thimerosal
Cite this Entry
“Thimerosal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thimerosal. Accessed 4 Aug. 2025.
Copy CitationMedical Definition
thimerosal
noun
thi·mer·o·sal
thī-ˈmer-ə-ˌsal
: a crystalline organic mercurial antiseptic C9H9HgNaO2S used especially for its antifungal and bacteriostatic properties see merthiolate
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