Noun: thimerosal thI'me-ru,sal
- A light-coloured crystalline powder (trade name Merthiolate) used as a surgical antiseptic
"Thimerosal was once commonly used as a preservative in vaccines";
- sodium ethylmercurithiosalicylate, Merthiolate
Derived forms: thimerosals
Type of: antiseptic
Encyclopedia: Thimerosal