Lexic.us

Definition of Ruthenium

1. Noun. A rare polyvalent metallic element of the platinum group; it is found associated with platinum.

Definition of Ruthenium

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.

Definition of Ruthenium

1. [n -S]

Medical Definition of Ruthenium

1. 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. Specific gravity 12.26. See Platinum metals, under Platinum. Atomic weight: 103.5 Abbreviation: Ru Origin: NL. So named from the Ruthenians, a Little Russian people, as coming from Russia, the metal having been found in the Ural mountains. (30 Mar 1998)

Lexicographical Neighbors of Ruthenium

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