from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A rare sulphide of osmium and ruthenium found with platinum in Borneo and Oregon, with the chemical formula RuS2.
from the GNU version of the Collaborative International Dictionary of English
- n. A rare sulphide of osmium and ruthenium found with platinum in Borneo and Oregon.
from The Century Dictionary and Cyclopedia
- n. A sulphid of osmium and ruthenium, a rare mineral, occurring in regular octahedrons, of an iron-black color and bright metallic luster, found in the platinum-washings of Borneo. It occurs also in Oregon.
After Laura R. Joy who was a wife of American chemist C. A. Joy. Named in 1866. (Wiktionary)