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ruthenium

Syllabification: (ru·the·ni·um)
Pronunciation: /ro͞oˈTHēnēəm/
Definition of ruthenium

noun

  • the chemical element of atomic number 44, a hard silvery-white metal of the transition series. (Symbol: Ru)

Origin:

mid 19th century: modern Latin, from medieval Latin Ruthenia, so named because it was discovered in ores from the Urals

ruthenium in other Oxford dictionaries

Definition of ruthenium in the British & World English dictionary

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