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calomel
noun
cal·o·mel
ˈka-lə-məl
-ˌmel
: a white tasteless compound Hg2Cl2 used especially as a component of laboratory electrodes, as a fungicide, and formerly in medicine as a purgative
called also mercurous chloride
Examples of calomel in a Sentence
Recent Examples on the Web
During the Civil War, the new surgeon general, William Hammond, thought calomel too dangerous and banned its use in 1863.
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Sallie Tisdale, Harper's Magazine, 2 Dec. 2024
In the Age of Sail, mercury was used on ships to treat fever, scurvy, constipation, and more, often in the form of calomel, or mercurous chloride.
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Sallie Tisdale, Harper's Magazine, 2 Dec. 2024
In California alone, there have been over 60 poisonings in the last nine years linked to foreign-brand, unlabeled or homemade skin creams that contained a less toxic form of mercury, mercurous chloride or calomel, the statement said.
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NBC News, 12 Sep. 2019
Over the last nine years, there have been over 60 poisonings linked to a foreign brand, unlabeled, or homemade skin creams that contained toxic chemicals like mercury, mercurous chloride or calomel in California.
—
Char Adams, PEOPLE.com, 12 Sep. 2019
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Word History
Dictionary Entries Near calomel
Cite this Entry
“Calomel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calomel. Accessed 20 Feb. 2025.
Kids Definition
calomel
noun
cal·o·mel
ˈkal-ə-məl
-ˌmel
: a white tasteless chemical compound of mercury and chlorine that is used especially as a fungicide
Medical Definition
calomel
noun
cal·o·mel
ˈkal-ə-məl, -ˌmel
: a white tasteless compound Hg2Cl2 used especially as a fungicide and insecticide and formerly in medicine as a purgative
called also mercurous chloride
More from Merriam-Webster on calomel
Britannica.com: Encyclopedia article about calomel
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