ru·the·ni·um
noun/ruːˈθiːniəm/
/ruːˈθiːniəm/
[uncountable] (symbol Ru)
- a chemical element. Ruthenium is a hard silver-white metal that breaks easily and is found in platinum ores.
钌 Word Originmid 19th cent.: modern Latin, from medieval Latin Ruthenia named after the Ruthenes (from medieval Latin Rutheni), a Slavic people, ancestors of the Ukrainians. The metal was so named because it was discovered in ores from the Urals.