Word:

Ruthenium

Ru`the´ni`um
n.1.(Chem.) 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.
Noun1.ruthenium - a rare polyvalent metallic element of the platinum group; it is found associated with platinum
Synonyms: atomic number 44, Ru
atomic number 44, metal, metallic element, Ru
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Ruta
Ruta graveolens
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rutabaga
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Ruth Saint Denis
Ruth St. Denis
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-- Ruthenium --
Rutherford
Rutherford atom
Rutherford B. Hayes
Rutherford Birchard Hayes
rutherfordium
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ruthfulness
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ruthlessly
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