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
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There are potentially irritating ingredients that may be included in mascara formulations to look out for, like shellac or thimerosal, so those with sensitive eyes will be safest selecting a mascara that is marked paraben-free or vegan. Olivia Cigliano, WWD, 30 July 2024 There is no evidence to suggest that low doses of thimerosal causes harm to people, but an excess consumption of mercury, found in fish, can be toxic to humans. Allison Novelo, CBS News, 9 May 2024 And repeatedly claimed that thimerosal, which is a preservative that was once used in some childhood vaccines that was removed by 2011 was causing autism. Leah Feiger, WIRED, 18 Apr. 2024 The form of mercury in thimerosal, ethylmercury, is easily filtered out by the body and is not linked to any health issues. Nate Trela, USA TODAY, 23 Feb. 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 26 Nov. 2024.

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

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