ALL meanings of rhodium
rho·di·um
R r - noun rhodium a silvery-white metallic element of the platinum family, forming salts that give rose-colored solutions: used to electroplate microscopes and instrument parts to prevent corrosion. Symbol: Rh; atomic weight: 102.905; atomic number: 45; specific gravity: 12.5 at 20°C. 1
- noun rhodium chemical element 1
- noun rhodium a hard corrosion-resistant silvery-white element of the platinum metal group, occurring free with other platinum metals in alluvial deposits and in nickel ores. It is used as an alloying agent to harden platinum and palladium. Symbol: Rh; atomic no: 45; atomic wt: 102.90550; valency: 2–6; relative density: 12.41; melting pt: 1963±3°C; boiling pt: 3697±100°C 0
- noun rhodium a hard, gray-white metallic chemical element, one of the platinum metals, used in alloys with platinum and gold in thermocouples and as an electrical contact material, and in unalloyed form to electroplate optical instruments, silverware, jewelry, etc.: symbol, Rh; at. no., 45 0