realgar
[ ree-al-ger, -gahr ]
/ riˈæl gər, -gɑr /
noun
arsenic disulfide, As2S2, found in nature as an orange-red mineral and also produced artificially: used in pyrotechnics.
Also called
red orpiment.
Origin of realgar
1350–1400; Middle English < Medieval Latin
realger ≪ Arabic
rahj al-ghār powder of the mine or cave
Words nearby realgar
Example sentences from the Web for realgar
British Dictionary definitions for realgar
realgar
/ (rɪˈælɡə) /
noun
a rare orange-red soft mineral consisting of arsenic sulphide in monoclinic crystalline form. It occurs in Utah and Romania and as a deposit from hot springs. It is an important ore of arsenic and is also used as a pigment. Formula: AsS
Word Origin for realgar
C14: via Medieval Latin from Arabic
rahj al-ghar powder of the mine