Standard Lemma guide

calomel

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

Mercurous chloride Hg2Cl2, formerly used as a laxative and disinfectant and to treat syphilis.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a tasteless colorless powder used medicinally as a cathartic

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: mercurous chloride

Antonyms: none provided

Broader terms: chloride

History

Etymology

From French calomel.

Across languages

Translations

7 source translations are retained for this English entry.

  • Esperanto: kalomelo — mercurous chloride
  • Finnish: kalomeli — mercurous chloride
  • French: calomel — mercurous chloride
  • Italian: calomelano — mercurous chloride
  • Romanian: calomel — mercurous chloride
  • Russian: каломе́ль (kalomélʹ) — mercurous chloride
  • Turkish: kalomel — mercurous chloride