ruthenium

noun ru·the·ni·um \ rü-ˈthē-nē-əm \

Definition of ruthenium

:a rare hard silvery-white metallic element occurring in platinum ores and used especially as a catalyst and to harden alloys — see Chemical Elements Table

Recent Examples of ruthenium from the Web

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Origin and Etymology of ruthenium

New Latin, from Medieval Latin Ruthenia Ruthenia


Medical Dictionary

ruthenium

noun ru·the·ni·um \ rü-ˈthē-nē-əm \

medical Definition of ruthenium

:a hard brittle grayish polyvalent rare metallic element occurring in platinum ores and used in hardening platinum alloys symbol Ru — see Chemical Elements Table

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