Also found in: Thesaurus, Medical, Encyclopedia.
Related to calomel: calomel electrode


 (kăl′ə-mĕl′, -məl)
A white or brown tasteless powder, Hg2Cl2, used as an insecticide and formerly as a purgative. Also called mercurous chloride.

[Probably from New Latin calomelās : Greek kalos, beautiful + melās, black.]


(ˈkæləˌmɛl; -məl)
(Elements & Compounds) a colourless tasteless powder consisting chiefly of mercurous chloride, used medicinally, esp as a cathartic. Formula: Hg2Cl2
[C17: perhaps from New Latin calomelas (unattested), literally: beautiful black (perhaps so named because it was originally sublimed from a black mixture of mercury and mercuric chloride), from Greek kalos beautiful + melas black]


(ˈkæl əˌmɛl, -məl)

a white, tasteless powder, Hg2Cl2, used chiefly as a purgative and fungicide. Also called mercurous chloride.
[1670–80; < New Latin calomelas]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.calomel - a tasteless colorless powder used medicinally as a cathartic
black lotion, blackwash - a mixture of calomel and limewater that is used on syphilitic sores
atomic number 80, Hg, hydrargyrum, mercury, quicksilver - a heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures
chloride - any compound containing a chlorine atom
References in classic literature ?
prentices and Guster, to their consternation, "if I am told by the doctor that calomel or castor-oil is good for me, I may naturally ask what is calomel, and what is castor-oil.
The latter was a feeble child, and it was only by prodigious quantities of calomel that Lady Southdown was able to keep him in life at all.
Besides,' said Bob, lowering his voice to a confidential whisper, 'they will be all the better for it; for, being nearly out of drugs, and not able to increase my account just now, I should have been obliged to give them calomel all round, and it would have been certain to have disagreed with some of them.
A graphite rod was used as a counter electrode and saturated calomel electrode (SCE) as reference electrode.
The three - electrode cell comprising the coated sample as the working electrode, a platinum grid as the counter electrode, and a saturated calomel electrode (SCE) as the reference electrode was used in the electrochemical experiments.
A saturated calomel electrode (SCE) was used as a reference electrode, platinum foil as a counter electrode and the test material as the working electrode.
A saturated calomel electrode (SCE), a platinum electrode, and the coated steel sheet were used as reference, counter, and working electrodes, respectively.
Meat pH, electrical conductivity, and lightness were determined using the Handylab 2 (Schott Gerate, Meinz, Germany) apparatus with a glass and calomel electrode, LF-STAR (Matthaus, Nobitz, Germany) apparatus, and Minolta 508i spectrophometer, respectively.
Though unstated in the official record, Hammond's real "crime" was his removal of calomel and tartar emetic from the Standard Supply Table, showing how decidedly hidebound his colleagues were to the old--even dangerous--remedies of the past.
The Eh was measured in the field using a platinum electrode and the final readings were corrected by adding the potential (+244 mV) of a calomel reference electrode.