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Mercury

Glossary

mercury

A silver-white, poisonous metal that is a liquid at ordinary temperatures. It is commonly used in thermometers and amalgams, and has been used as an ingredient in some homeopathic medicines and in very small amounts as a preservative in viral vaccines.

Last updated: 2016-01-06

Source: The National Cancer Institute's Dictionary of Cancer Terms (http://www.cancer.gov/dictionary)