Ruthenium meaning

ro͝o-thēnē-əm
A hard silver-white acid-resistant metallic element that is found in platinum ores and is used to harden platinum and palladium for jewelry and in alloys for nonmagnetic wear-resistant instrument pivots and electrical contacts. Atomic number 44; atomic weight 101.07; melting point 2,334°C; boiling point 4,150°C; specific gravity 12.1 (20°C); valence 0, 1, 2, 3, 4, 5, 6, 7, 8.
noun
0
0
A rare, very hard and brittle, silver-gray chemical element, one of the platinum metals, used as a hardener in alloys of platinum and palladium and as a catalyst: symbol, Ru; at. no. 44
noun
0
0
A rare, silvery-gray metallic element that is hard, brittle, and very resistant to corrosion. It is used to harden alloys of platinum and palladium for jewelry and electrical contacts. Atomic number 44; atomic weight 101.07; melting point 2,310°C; boiling point 3,900°C; specific gravity 12.41; valence 0, 1, 2, 3, 4, 5, 6, 7, 8.
0
0
A metallic chemical element (symbol Ru) with an atomic number of 44.
noun
0
0
Advertisement

Origin of ruthenium

  • From Medieval Latin Ruthenia Russia from Ruthenī Russians from Russian Rusin from Old Russian Rusĭ Russian Russian

    From American Heritage Dictionary of the English Language, 5th Edition

  • Ruthenia + -ium

    From Wiktionary