mercuric sulfide

American  

Or mercury sulfide

noun

Chemistry.

1. a crystalline, water-insoluble, poisonous compound, HgS, occurring as a coarse, black powder black mercuric sulfide or as a fine, bright-scarlet powder red mercuric sulfide: used chiefly as a pigment and as a source of the free metal.

---

Etymology

Origin of mercuric sulfide

First recorded in 1850–55

---

Random Word

Spin the wheel and learn a new word!

---