from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A selenide mineral, with chemical formula Cu3Se2, blue to red in color.

from The Century Dictionary and Cyclopedia

  • n. A copper selenide, Cu3Se2, occurring in fine granular to compact masses of a dark cherry-red color: found in the Sierra de Umango, Argentina.


Named after Sierra de Umango, Argentina. (Wiktionary)


Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.