Etymology
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ruthenium (n.)

metallic element, 1845, named by Russian chemist Karl Klauss, who first isolated it, from a name proposed earlier (1828) in reference to a metal extracted from ores from the Ural Mountains of Russia (see Ruthenian). With metallic element ending -ium.

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Definitions of ruthenium

ruthenium (n.)
a rare polyvalent metallic element of the platinum group; it is found associated with platinum;
Synonyms: Ru / atomic number "
From wordnet.princeton.edu

Dictionary entries near ruthenium

rut

rutabaga

Ruth

ruth

Ruthenian

ruthenium

ruthless

rutter

ruttish

Ruy Lopez

RV