Word.ws English Dictionary

thiomersal

thiomersal noun: a compound, chemical formula C₉H₉HgNaO₂S, used as an antiseptic and antifungal agent, especially in vaccines.

thiomersal: a compound, chemical formula C₉H₉HgNaO₂S, used as an antiseptic and antifungal agent, especially in...
Image: Ben Mills, Public domain, via Wikimedia Commons

Noun

thiomersal (uncountable)

  1. A compound, chemical formula C₉H₉HgNaO₂S, used as an antiseptic and antifungal agent, especially in vaccines.

Synonyms of thiomersal

Forms of thiomersal

alternative formthimerosal

Origin of thiomersal

From thio- + -mer- (“mercury-containing drug”) + -sal (“salicylic acid derivative”).

Questions about thiomersal

What does thiomersal mean?
Thiomersal means a compound, chemical formula C₉H₉HgNaO₂S, used as an antiseptic and antifungal agent, especially in vaccines.
What part of speech is thiomersal?
Thiomersal is a noun.

Words near thiomersal in the dictionary

  1. thiolytic
  2. thiomalate
  3. thiomalates
  4. thiomer
  5. thiomers
  6. thiomersal
  7. thiometalate
  8. thiometalates
  9. thiometallate
  10. thiometallates
  11. thiomethoxam

Source and license

Adapted from Wiktionary: thiomersal (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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