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calomel

American  
[kal-uh-mel, -muhl] / ˈkæl əˌmɛl, -məl /

noun

Pharmacology.
  1. a white, tasteless powder, Hg 2 Cl 2 , used chiefly as a purgative and fungicide.


calomel British  
/ -məl, ˈkæləˌmɛl /

noun

  1. a colourless tasteless powder consisting chiefly of mercurous chloride, used medicinally, esp as a cathartic. Formula: Hg 2 Cl 2

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of calomel

1670–80; < New Latin calomelas coined from Greek kaló ( s ) fair + mélas black; allegedly so called because its original preparation involved turning black powder into white

Example Sentences

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See Examples For:

Their patients rarely suffered any mercury poisoning from the treatments because calomel has a very low solubility, as suggested by its very small Ksp:

From Textbooks Feb. 14, 2019

Although most mercury compounds are now known to be poisonous, eighteenth-century physicians used calomel as a medication.

From Textbooks Feb. 14, 2019

The books and encyclopedias on his tables are replaced by syringes and bowls, bottles of orange-flower water, gentian, licorice, quinine and calomel.

From Time Magazine Archive

Another war use: calomel for soldiers' bowels, ointments for their skins.

From Time Magazine Archive

Eliza was more concerned about the dwindling supply of medicines, the mercury and calomel.

From "Fever 1793" by Laurie Halse Anderson

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