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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 rho·di·um /ˈrodiəm/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 rho·di·um /ˈrodɪəm/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Rho·di·um n.  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.

From: WordNet (r) 2.0

      n : a white hard metallic element that is one of the platinum
          group and is found in platinum ores; used in alloys with
          platinum [syn: Rh, atomic number 45]

From: Elements database 20001107

 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.