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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Early on, Kennedy focused on thimerosal, a preservative, but after it was removed from most childhood vaccines in 2001, Iannelli said Kennedy shifted to other ingredients, known and unknown, falsely blaming them for myriad childhood illnesses.
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Brandy Zadrozny, NBC News, 1 Mar. 2025
Kennedy has a long history of promoting conspiracies about childhood vaccines, including the theory that the preservative thimerosal—which has been phased out of most modern vaccine formulas—is linked to autism, a claim that’s been thoroughly discredited by medical studies.
—Sara Dorn, Forbes, 22 Jan. 2025
However, most vaccines used in recent decades no longer contain thimerosal because of manufacturing changes.
—Lauren Leffer, Popular Science, 27 Nov. 2024
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
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Brandy Zadrozny, NBC News, 1 Mar. 2025
Kennedy has a long history of promoting conspiracies about childhood vaccines, including the theory that the preservative thimerosal—which has been phased out of most modern vaccine formulas—is linked to autism, a claim that’s been thoroughly discredited by medical studies.
—Sara Dorn, Forbes, 22 Jan. 2025
However, most vaccines used in recent decades no longer contain thimerosal because of manufacturing changes.
—Lauren Leffer, Popular Science, 27 Nov. 2024
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
See All Example Sentences for thimerosal
Cite this Entry
“Thimerosal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thimerosal. Accessed 13 Mar. 2025.
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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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