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/ɹiˈæl.ɡɑː/ · noun
(mineralogy) A mineral, arsenic sulfide (AsS), often associated with orpiment and stibnite in lead, silver and gold ores..
Use realgar when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Realgar means (mineralogy) A mineral, arsenic sulfide (AsS), often associated with orpiment and stibnite in lead, silver and gold ores..
Common synonyms include red orpiment.
The opposite depends on the specific sense.
Use realgar where its definition matches the intended context.
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