A chemical compound containing two sulfide groups or bonds, typically used in industrial processes and certain medications.
From bi- (two) + sulfide (sulfur + -ide). Standardized chemical nomenclature from the 19th century; -ide indicates a binary compound.
Bismuth bisulfide is actually golden-bronze colored—so beautiful that it's used in cosmetics and jewelry making, proving that toxic-sounding chemical names can hide genuinely gorgeous materials.
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