- 1. n. A rare element of the light platinum group, found associated with platinum ores, and isolated as a hard, brittle steel-gray metal which is very infusible. Symbol Ru. Atomic weight 103.5. Specific gravity 12.26. See Platinum metals, under Platinum. Source: opted
- 2. n. a rare polyvalent metallic element of the platinum group; it is found associated with platinum Source: wordnet
- 3. A rare element of the light platinum group, found associated with platinum ores, and isolated as a hard, brittle steel-gray metal which is very infusible. Symbol Ru. Atomic weight 103.5. Specific gravity 12.26. See Platinum metals, under Platinum. Source: webster
- 4. A rare element of the light platinum group, found associatedwith platinum ores, and isolated as a hard, brittle steel-gray metalwhich is very infusible. Symbol Ru. Atomic weight 103.5. Specificgravity 12.26. See Platinum metals, under Platinum. Source: adambom
- 5. n. a rare polyvalent metallic element of the platinum group; it is found associated with platinum Source: ecdict
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platinumelementfoundgrouprareassociatedatomicbrittlehardinfusibleisolatedlightmetalsoresseesymbolweightgravitymetalmetallicpolyvalentspecific