'Rhodium' definitions:
Definition of 'rhodium'
(from WordNet)
noun
A white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum [syn: rhodium, Rh, atomic number 45]
Definition of 'Rhodium'
From: GCIDE
- Rhodium \Rho"di*um\, n. [NL., fr. Gr. "ro`don the rose. So called from the rose-red color of certain of its solutions. See Rhododendron.] (Chem.) A rare element of the light platinum group. It is found in platinum ores, and obtained free as a white inert metal which it is very difficult to fuse. Symbol Rh. Atomic weight 104.1. Specific gravity 12. [1913 Webster]
Definition of 'rhodium'
From: Elements
- Symbol: Rh
- Atomic number: 45
- Atomic weight: 102.905
- Silvery white metallic transition element. Found with platinum and used in some platinum alloys. Not attacked by acids, dissolves only in aqua regia. Discovered in 1803 by W.H. Wollaston.