Ruthenium

Definition of 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.

Related Words

atomic number 44, metal, metallic element, Ru
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Rustical
Rusticate
Rusticated
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Rustily
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Rusty
rusty dab
Rut
Ruta-baga
Rutaceous
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Ruth
Ruthenic
Ruthenious
-Ruthenium-
Ruthful
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Rutter
Rutterkin
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Rutylene
Ryal
Ryder
Rye
Rye grass
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