First Known Use: 1848
Dictionary
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 element table
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Origin of RUTHENIUM
New Latin, from Medieval Latin Ruthenia Ruthenia
Rhymes with RUTHENIUM
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 element table
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