realgar

noun
re·​al·​gar | \ rē-ˈal-ˌgär How to pronounce realgar (audio) , -gər \

Definition of realgar

: an orange-red mineral consisting of arsenic sulfide and having a resinous luster

First Known Use of realgar

15th century, in the meaning defined above

History and Etymology for realgar

Middle English, from Medieval Latin, from Catal, from Arabic rahj al-ghār powder of the mine

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The first known use of realgar was in the 15th century

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Cite this Entry

“Realgar.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/realgar. Accessed 31 Oct. 2020.

More from Merriam-Webster on realgar

Britannica.com: Encyclopedia article about realgar

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