Standard Lemma guide

realgar

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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /ɹiˈæl.ɡɑː/
  • UK: /ɹiˈæl.ɡə/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • US: /ɹiˈæl.ɡɑɹ/
  • US: /ɹiˈæl.ɡɚ/

1

noun

Meaning 1

A mineral, arsenic sulfide (AsS), often associated with orpiment and stibnite in lead, silver and gold ores.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: chemistry, geography, geology, mineralogy, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: red orpiment

Antonyms: none provided

2

noun

Meaning 2

a rare soft orange mineral consisting of arsenic sulphide; an important ore of arsenic

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: mineral

History

Etymology

From Middle English realgar, from Medieval Latin realgar, resalgar, from Arabic رَهْج اَلْغَار (rahj al-ḡār, literally “cave dust”).

Across languages

Translations

33 source translations are retained for this English entry.

  • Arabic: رَهَج اَلْغَار (rahaj al-ḡār) — mineral
  • Armenian: ռեալգար (ṙealgar) — mineral
  • Middle Armenian: ջնարակ (ǰnarak) — mineral
  • Bengali: মনঃশিলা (monoḥśila) — mineral
  • Bengali: মনছাল (monchal) — mineral
  • Chinese Mandarin: 雄黃 /雄黄 (xiónghuáng) — mineral
  • Finnish: realgaari — mineral
  • French: réalgar — mineral
  • Galician: rosalgar — mineral
  • Galician: resalgario — mineral
  • German: Realgar — mineral
  • German: Rubinschwefel — mineral
  • German: rotes Schwefelarsenik — mineral
  • German: rote Arsenblende — mineral
  • German: Rauschrot — mineral
  • Ancient Greek: σανδαράκη (sandarákē) — mineral
  • Gujarati: મનશિલ (manśil) — mineral
  • Hindi: मैनसिल (mainsil) — mineral
  • Italian: realgar — mineral
  • Japanese: 鶏冠石 (keikanseki) — mineral
  • Latin: risigallum — mineral
  • Latin: rissigallum — mineral
  • Manchu: ᠠᠮᡳᡥᡡᠨ (amihūn) — mineral
  • Odia: ମନଛାଲ (manachāla) — mineral
  • Polish: realgar — mineral
  • Punjabi: ਮੈਨਸਿਲ (mainsil) — mineral
  • Russian: реальга́р (realʹgár) — mineral
  • Sanskrit: मनःशिला (manaḥśilā) — mineral
  • Slovak: realgár — mineral
  • Spanish: rejalgar — mineral
  • Swedish: realgar — mineral
  • Tagalog: batikos — mineral
  • Tamil: மனோசிலை (maṉōcilai) — mineral